diff --git a/example.tex b/example.tex
index c3b0f2b..909212b 100644
--- a/example.tex
+++ b/example.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Archivo de ejemplo
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/library.bib b/library.bib
index f829006..3bad9b2 100644
--- a/library.bib
+++ b/library.bib
@@ -16,7 +16,8 @@ @misc{overleaf
 	author       = "Overleaf",
 	title        = "Uno de los mejores editores online para \LaTeX, renovado con su versión 2.0",
 	url          = "https://es.overleaf.com/",
-	year         = "2024"
+	year         = "2024",
+	month        = "Agosto"
 }
 
 @misc{tablesgenerator,
diff --git a/main.tex b/main.tex
index f22c2ac..02ed3ab 100644
--- a/main.tex
+++ b/main.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Archivo principal
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/natnumurl.bst b/natnumurl.bst
index 0f4c25e..457f4c8 100644
--- a/natnumurl.bst
+++ b/natnumurl.bst
@@ -1,6 +1,6 @@
 %% Template:     Template LaTeX
 %% Documento:    Archivo de estilos simple numerados + url (doi, arxivId) [es]
-%% Versión:      1.5 (20/11/2023)
+%% Versión:      1.6 (23/08/2024)
 %% Codificación: UTF-8
 %%
 %% Autor: Pablo Pizarro R.
@@ -9,11 +9,17 @@
 %% Manual template: [https://latex.ppizarror.com]
 %% Licencia MIT:    [https://opensource.org/licenses/MIT]
 
+% -----------------------------------------------------------------------------
+% VARIABLES GENERALES
+% -----------------------------------------------------------------------------
+
 ENTRY {
     address
+    arxivId
     author
     booktitle
     chapter
+    doi
     edition
     editor
     howpublished
@@ -30,12 +36,10 @@ ENTRY {
     series
     title
     type
-    volume
-    year
-    doi
-    arxivId
     url
     urldate
+    volume
+    year
 }
 {}
 {
@@ -59,145 +63,154 @@ INTEGERS {
 }
 
 STRINGS {
+    longest.label
     s
     t
-    longest.label
 }
 
-FUNCTION {init.state.consts} {
-    #0 'before.all :=
-    #1 'mid.sentence :=
-    #2 'after.quote :=
-    #3 'after.sentence :=
-    #4 'after.quoted.block :=
-    #5 'after.block :=
+% -----------------------------------------------------------------------------
+% FUNCIONES UTILITARIAS
+% -----------------------------------------------------------------------------
+
+FUNCTION {and} {
+    'skip$ {
+        pop$ #0
+    } if$
 }
 
-FUNCTION {output.nonnull} {
-    's :=
-    output.state mid.sentence = {
-        ", " * write$
+FUNCTION {not} {
+    {
+        #0
     }{
-        output.state after.quote = {
-            " " * write$
-        }{
-            output.state after.block = {
-                add.period$ write$
-                newline$
-                "\newblock " write$
-            }{
-                output.state before.all = 'write$ {
-                    output.state after.quoted.block = {
-                        write$
-                        newline$
-                        "\newblock " write$
-                    }{
-                        add.period$ " " * write$
-                    } if$
-                } if$
-            } if$
-        } if$
-        mid.sentence 'output.state :=
+        #1
     } if$
-    s
 }
 
-FUNCTION {output} {
-	duplicate$ empty$
-	'pop$
-	'output.nonnull
-	if$
+FUNCTION {or} {
+    {
+        pop$ #1
+    } 'skip$ if$
 }
 
-FUNCTION {output.check} {
-    't :=
-    duplicate$ empty$ {
-        pop$ "empty " t * " in " * cite$ * warning$
-    } 'output.nonnull if$
+FUNCTION {blank.sep} {
+    after.quote 'output.state :=
 }
 
-FUNCTION {output.links} {
-    doi empty$ {
-        arxivId empty$ {
-            url empty$ {
-                "" *
-            }{
-                ", \href{" * url * "}{\nolinkurl{\detokenize{" * url * "}}}" *
-                urldate empty$ {
-                    "" *
-                }{
-                    " (visitado el " * urldate * ")" *
-                } if$
-            } if$
-        }{
-            ", \href{https://arxiv.org/abs/" * arxivId * "}{arXiv:\detokenize{" * arxivId * "}}" *
-        } if$
-    }{
-        ", \href{https://dx.doi.org/" * doi * "}{\nolinkurl{doi:\detokenize{" * doi * "}}}" *
+FUNCTION {either.or.check} {
+    empty$
+    'pop$ {
+        "no se pueden usar ambos " swap$ * " campos en " * cite$ * warning$
     } if$
 }
 
-FUNCTION {output.bibitem} {
-    newline$
-    "\backrefparscanfalse" write$ newline$
-    "\bibitem{" write$
-    cite$ write$
-    "}" write$
-    newline$
-    ""
-    before.all 'output.state :=
+FUNCTION {emphasize} {
+    duplicate$ empty$ {
+        pop$ ""
+    }{
+        "{" swap$ * "}" *
+    } if$
 }
 
-FUNCTION {blank.sep} {
-    after.quote 'output.state :=
+FUNCTION {empty.misc.check} {
+    author empty$ title empty$ howpublished empty$
+    month empty$ year empty$ note empty$
+    and and and and and {
+        "todos los campos relevantes estan vacios en " cite$ * warning$
+    } 'skip$ if$
 }
 
-FUNCTION {fin.entry} {
+FUNCTION {end.entry} {
     output.state after.quoted.block =
     'skip$
     'add.period$
     if$
     write$
-    newline$ "\backrefprint\backrefparscantrue" write$
+    newline$
+    "\backrefprint\backrefparscantrue" write$
     newline$
 }
 
-FUNCTION {new.block} {
-    output.state before.all = 'skip$ {
-        output.state after.quote = {
-            after.quoted.block 'output.state :=
-        }{
-            after.block 'output.state :=
-        } if$
-    } if$
+FUNCTION {field.or.null} {
+    duplicate$ empty$ {
+        pop$ ""
+    } 'skip$ if$
 }
 
-FUNCTION {new.sentence} {
-    output.state after.block = 'skip$ {
-        output.state before.all = 'skip$ {
-            after.sentence 'output.state :=
-        } if$
-    } if$
+FUNCTION {init.state.consts} {
+    #0 'before.all :=
+    #1 'mid.sentence :=
+    #2 'after.quote :=
+    #3 'after.sentence :=
+    #4 'after.quoted.block :=
+    #5 'after.block :=
 }
 
-FUNCTION {not} {
-    {
-        #0
+FUNCTION {initialize.longest.label} {
+    "" 'longest.label :=
+    #1 'number.label :=
+    #0 'longest.label.width :=
+}
+
+FUNCTION {longest.label.pass} {
+    number.label int.to.str$ 'label :=
+    number.label #1 + 'number.label :=
+    label width$ longest.label.width > {
+        label 'longest.label :=
+        label width$ 'longest.label.width :=
+    } 'skip$ if$
+}
+
+FUNCTION {multi.page.check} {
+    't :=
+    #0 'multiresult := {
+        multiresult not
+        t empty$ not
+        and
     }{
-        #1
-    } if$
+        t #1 #1 substring$
+        duplicate$ "-" =
+        swap$ duplicate$ "," =
+        swap$ "+" =
+        or or {
+            #1 'multiresult :=
+        }{
+            t #2 global.max$ substring$ 't :=
+        } if$
+    } while$
+    multiresult
 }
 
-FUNCTION {and} {
-    'skip$ {
-        pop$ #0
-    } if$
+FUNCTION {n.dashify} {
+    't := "" {
+        t empty$ not
+    }{
+        t #1 #1 substring$ "-" = {
+            t #1 #2 substring$ "--" = not {
+                "--" *
+                t #2 global.max$ substring$ 't :=
+            }{
+                {
+                    t #1 #1 substring$ "-" =
+                }{
+                    "-" *
+                    t #2 global.max$ substring$ 't :=
+                } while$
+            } if$
+        }{
+            t #1 #1 substring$ *
+            t #2 global.max$ substring$ 't :=
+        } if$
+    } while$
 }
 
-FUNCTION {or} {
-    {
-        pop$ #1
-    } 'skip$ if$
+FUNCTION {new.block} {
+    output.state before.all = 'skip$ {
+        output.state after.quote = {
+            after.quoted.block 'output.state :=
+        }{
+            after.block 'output.state :=
+        } if$
+    } if$
 }
 
 FUNCTION {new.block.checka} {
@@ -216,6 +229,14 @@ FUNCTION {new.block.checkb} {
     if$
 }
 
+FUNCTION {new.sentence} {
+    output.state after.block = 'skip$ {
+        output.state before.all = 'skip$ {
+            after.sentence 'output.state :=
+        } if$
+    } if$
+}
+
 FUNCTION {new.sentence.checka} {
     empty$
     'skip$
@@ -223,20 +244,93 @@ FUNCTION {new.sentence.checka} {
     if$
 }
 
-FUNCTION {field.or.null} {
-    duplicate$ empty$ {
-        pop$ ""
-    } 'skip$ if$
+FUNCTION {output.bibitem} {
+    newline$
+    "\backrefparscanfalse" write$
+    newline$
+    "\bibitem{" write$ cite$ write$ "}" write$
+    newline$
+    ""
+    before.all 'output.state :=
 }
 
-FUNCTION {emphasize} {
+FUNCTION {output.links} {
+    doi empty$ {
+        arxivId empty$ {
+            url empty$ {
+                "" *
+            }{
+                ", \href{" * url * "} {\nolinkurl{\detokenize{" * url * "}}}" *
+                urldate empty$ {
+                    "" *
+                }{
+                    " (visitado el " * urldate * ")" *
+                } if$
+            } if$
+        }{
+            ", \href{https://arxiv.org/abs/" * arxivId * "} {\nolinkurl{arXiv:\detokenize{" * arxivId * "}}}" *
+        } if$
+    }{
+        ", \href{https://dx.doi.org/" * doi * "} {\nolinkurl{doi:\detokenize{" * doi * "}}}" *
+    } if$
+}
+
+FUNCTION {output.nonnull} {
+    's :=
+    output.state mid.sentence = {
+        ", " * write$
+    }{
+        output.state after.quote = {
+            " " * write$
+        }{
+            output.state after.block = {
+                add.period$ write$
+                newline$
+                "\newblock " write$
+            }{
+                output.state before.all = 'write$ {
+                    output.state after.quoted.block = {
+                        write$
+                        newline$
+                        "\newblock " write$
+                    }{
+                        add.period$ " " * write$
+                    } if$
+                } if$
+            } if$
+        } if$
+        mid.sentence 'output.state :=
+    } if$
+    s
+}
+
+FUNCTION {output} {
+    duplicate$ empty$
+    'pop$
+    'output.nonnull
+    if$
+}
+
+FUNCTION {output.check} {
+    't :=
     duplicate$ empty$ {
-        pop$ ""
+        pop$ "vacio " t * " en " * cite$ * warning$
+    } 'output.nonnull if$
+}
+
+FUNCTION {tie.or.space.connect} {
+    duplicate$ text.length$ #3 < {
+        "~"
     }{
-        "{ " swap$ * "}" *
+        " "
     } if$
+    swap$ * *
 }
 
+% -----------------------------------------------------------------------------
+% FUNCIONES DE FORMATEO
+% -----------------------------------------------------------------------------
+
 FUNCTION {format.names} {
     's :=
     #1 'nameptr :=
@@ -265,163 +359,98 @@ FUNCTION {format.names} {
     } while$
 }
 
-FUNCTION {format.authors} {
-    author empty$ {
-        ""
-    }{
-        author format.names
-    } if$
-}
-
-FUNCTION {format.editors} {
-    editor empty$ {
+FUNCTION {format.addr.pub} {
+    publisher empty$ {
         ""
     }{
-        editor format.names
-        editor num.names$ #1 > {
-            ", eds." *
+        address empty$ {
+            ""
         }{
-            ", ed." *
+            address ": " *
         } if$
+        publisher *
     } if$
 }
 
-FUNCTION {format.title} {
-    title empty$ {
-        ""
+FUNCTION {format.article.crossref} {
+    key empty$ {
+        journal empty$ {
+            "se necesita key o journal en " cite$ * " para validar crossref " * crossref * warning$
+            ""
+        }{
+            "en {" journal * "}" *
+        } if$
     }{
-        "``" title "t" change.case$ * "''," *
+        "en " key *
     } if$
+    " \cite{" * crossref * "}" *
 }
 
-FUNCTION {format.title.p} {
-    title empty$ {
+FUNCTION {format.authors} {
+    author empty$ {
         ""
     }{
-        "``" title "t" change.case$ * "''." *
+        author format.names
     } if$
 }
 
-FUNCTION {n.dashify} {
-    't := "" {
-        t empty$ not
+FUNCTION {format.crossref.editor} {
+    editor #1 "{vv~}{ll}" format.name$
+    editor num.names$ duplicate$
+    #2 > {
+        pop$ " {\em et~al.}" *
     }{
-        t #1 #1 substring$ "-" = {
-            t #1 #2 substring$ "--" = not {
-                "--" *
-                t #2 global.max$ substring$ 't :=
+        #2 < 'skip$ {
+            editor #2 "{ff }{vv }{ll}{ jj}" format.name$ "others" = {
+                " {\em et~al.}" *
             }{
-                {
-                    t #1 #1 substring$ "-" =
-                }{
-                    "-" *
-                    t #2 global.max$ substring$ 't :=
-                } while$
+                " y " * editor #2 "{vv~}{ll}" format.name$ *
             } if$
-        }{
-            t #1 #1 substring$ *
-            t #2 global.max$ substring$ 't :=
-        } if$
-    } while$
-}
-
-FUNCTION {format.date} {
-    year empty$ {
-        month empty$ {
-            ""
-        }{
-            "there's a month but no year in " cite$ * warning$
-            month
-        } if$
-    }{
-        month empty$
-        'year {
-            year
         } if$
     } if$
 }
 
-FUNCTION {format.btitle} {
-    title emphasize
-}
-
-FUNCTION {tie.or.space.connect} {
-    duplicate$ text.length$ #3 < {
-        "~"
-    }{
-        " "
-    } if$
-    swap$ * *
-}
-
-FUNCTION {either.or.check} {
-    empty$
-    'pop$ {
-        "can't use both " swap$ * " fields in " * cite$ * warning$
-    } if$
-}
-
-FUNCTION {format.bvolume} {
+FUNCTION {format.book.crossref} {
     volume empty$ {
-        ""
+        "volumen vacio en " cite$ * "para validar crossref " * crossref * warning$
+        "En "
     }{
-        "vol.~" volume *
-        series empty$
-        'skip$ {
-            " de " * series emphasize *
-        } if$
-        "volume and number" number either.or.check
+        "Vol.~" volume *
+        " de " *
     } if$
-}
-
-FUNCTION {format.number.series} {
-    volume empty$ {
-        number empty$ {
-            series field.or.null
-        }{
-            output.state mid.sentence = {
-                "no.~"
-            }{
-                "No.~"
-            } if$
-            number *
+    editor empty$
+    editor field.or.null author field.or.null = or {
+        key empty$ {
             series empty$ {
-                "there's a number but no series in " cite$ * warning$
+                "se necesita editor, key o series en " cite$ * "para validar crossref " * crossref * warning$
+                "" *
             }{
-                " en " * series *
+                "{" * series * "}" *
             } if$
+        }{
+            key *
         } if$
     }{
-        ""
+        format.crossref.editor *
     } if$
+    " \cite{" * crossref * "}" *
 }
 
-FUNCTION {format.edition} {
-    edition empty$ {
-        ""
-    }{
-        edition "l" change.case$ "~ed." *
-    } if$
+FUNCTION {format.btitle} {
+    title emphasize
 }
 
-FUNCTION {multi.page.check} {
-    't :=
-    #0 'multiresult := {
-        multiresult not
-        t empty$ not
-        and
+FUNCTION {format.bvolume} {
+    volume empty$ {
+        ""
     }{
-        t #1 #1 substring$
-        duplicate$ "-" =
-        swap$ duplicate$ "," =
-        swap$ "+" =
-        or or {
-            #1 'multiresult :=
-        }{
-            t #2 global.max$ substring$ 't :=
+        "vol.~" volume *
+        series empty$
+        'skip$ {
+            " de " * series emphasize *
         } if$
-    } while$
-    multiresult
+        "volume and number" number either.or.check
+    } if$
 }
 
 FUNCTION {format.pages} {
@@ -436,31 +465,53 @@ FUNCTION {format.pages} {
     } if$
 }
 
-FUNCTION {format.volume} {
-    volume empty$ {
-        ""
+FUNCTION {format.chapter.pages} {
+    chapter empty$ 'format.pages {
+        type empty$ {
+            "cap.~" chapter *
+        }{
+            type "l" change.case$ chapter tie.or.space.connect
+        } if$
+        pages empty$ 'skip$ {
+            ", " * format.pages *
+        } if$
+    } if$
+}
+
+FUNCTION {format.date} {
+    year empty$ {
+        month empty$ {
+            ""
+        }{
+            "existe mes pero no año en " cite$ * warning$
+            month
+        } if$
     }{
-        "vol.~" volume *
+        month empty$ {
+            year
+        }{
+            month " " * year *
+        } if$
     } if$
 }
 
-FUNCTION {format.number} {
-    number empty$ {
+FUNCTION {format.edition} {
+    edition empty$ {
         ""
     }{
-        "no.~" number *
+        edition "l" change.case$ "~ed." *
     } if$
 }
 
-FUNCTION {format.chapter.pages} {
-    chapter empty$ 'format.pages {
-        type empty$ {
-            "cap.~" chapter *
+FUNCTION {format.editors} {
+    editor empty$ {
+        ""
+    }{
+        editor format.names
+        editor num.names$ #1 > {
+            ", eds." *
         }{
-            type "l" change.case$ chapter tie.or.space.connect
-        } if$
-        pages empty$ 'skip$ {
-            ", " * format.pages *
+            ", ed." *
         } if$
     } if$
 }
@@ -477,47 +528,52 @@ FUNCTION {format.in.ed.booktitle} {
     } if$
 }
 
-FUNCTION {format.thesis.type} {
-    type empty$
-    'skip$ {
-        pop$
-        output.state after.block = {
-            type "t" change.case$
+FUNCTION {format.incoll.inproc.crossref} {
+    editor empty$
+    editor field.or.null author field.or.null = or {
+        key empty$ {
+            booktitle empty$ {
+                "se necesita editor, key o booktitle en " cite$ * " para validar crossref " * crossref * warning$
+                ""
+            }{
+                "en {" booktitle * "}" *
+            } if$
         }{
-            type "l" change.case$
+            "en " key *
         } if$
+    }{
+        "en " format.crossref.editor *
     } if$
+    " \cite{" * crossref * "}" *
 }
 
-FUNCTION {empty.misc.check} {
-    author empty$ title empty$ howpublished empty$
-    month empty$ year empty$ note empty$
-    and and and and and {
-        "all relevant fields are empty in " cite$ * warning$
-    } 'skip$ if$
-}
-
-FUNCTION {format.tr.number} {
-    type empty$ {
-        "Rep. Tec."
-    } 'type if$
+FUNCTION {format.number} {
     number empty$ {
-        "l" change.case$
+        ""
     }{
-        number tie.or.space.connect
+        "no.~" number *
     } if$
 }
 
-FUNCTION {format.addr.pub} {
-    publisher empty$ {
-        ""
-    }{
-        address empty$ {
-            ""
+FUNCTION {format.number.series} {
+    volume empty$ {
+        number empty$ {
+            series field.or.null
         }{
-            address ": " *
+            output.state mid.sentence = {
+                "no.~"
+            }{
+                "No.~"
+            } if$
+            number *
+            series empty$ {
+                "existe numero pero no serie en " cite$ * warning$
+            }{
+                " en " * series *
+            } if$
         } if$
-        publisher *
+    }{
+        ""
     } if$
 }
 
@@ -529,84 +585,57 @@ FUNCTION {format.paddress} {
     } if$
 }
 
-FUNCTION {format.article.crossref} {
-    key empty$ {
-        journal empty$ {
-            "need key or journal for " cite$ * " to crossref " * crossref *
-            warning$
-            ""
+FUNCTION {format.thesis.type} {
+    type empty$
+    'skip$ {
+        pop$
+        output.state after.block = {
+            type "t" change.case$
         }{
-            "en { " journal * "\/}" *
+            type "l" change.case$
         } if$
-    }{
-        "en " key *
     } if$
-    " \cite{" * crossref * "}" *
 }
 
-FUNCTION {format.crossref.editor} {
-    editor #1 "{vv~}{ll}" format.name$
-    editor num.names$ duplicate$
-    #2 > {
-        pop$ " {\em et~al.}" *
+FUNCTION {format.title} {
+    title empty$ {
+        ""
     }{
-        #2 < 'skip$ {
-            editor #2 "{ff }{vv }{ll}{ jj}" format.name$ "others" = {
-                " {\em et~al.}" *
-            }{
-                " y " * editor #2 "{vv~}{ll}" format.name$ *
-            } if$
-        } if$
+        "``" title "t" change.case$ * "''," *
     } if$
 }
 
-FUNCTION {format.book.crossref} {
-    volume empty$ {
-        "empty volume in " cite$ * "'s crossref of " * crossref * warning$
-        "En "
+FUNCTION {format.title.p} {
+    title empty$ {
+        ""
     }{
-        "Vol.~" volume *
-        " de " *
+        "``" title "t" change.case$ * "''." *
     } if$
-    editor empty$
-    editor field.or.null author field.or.null = or {
-        key empty$ {
-            series empty$ {
-                "need editor, key, or series for " cite$ * " to crossref " *
-                crossref * warning$
-                "" *
-            }{
-                "{ " * series * "\/}" *
-            } if$
-        }{
-            key *
-        } if$
+}
+
+FUNCTION {format.tr.number} {
+    type empty$ {
+        "Rep. Tec."
+    } 'type if$
+    number empty$ {
+        "l" change.case$
     }{
-        format.crossref.editor *
+        number tie.or.space.connect
     } if$
-    " \cite{" * crossref * "}" *
 }
 
-FUNCTION {format.incoll.inproc.crossref} {
-    editor empty$
-    editor field.or.null author field.or.null = or {
-        key empty$ {
-            booktitle empty$ {
-                "need editor, key, or booktitle for " cite$ * " to crossref " *
-                crossref * warning$
-                ""
-            }{
-                "en { " booktitle * "\/}" *
-            } if$
-        }{
-            "en " key *
-        } if$
+FUNCTION {format.volume} {
+    volume empty$ {
+        ""
     }{
-        "en " format.crossref.editor *
+        "vol.~" volume *
     } if$
-    " \cite{" * crossref * "}" *
 }
 
+% -----------------------------------------------------------------------------
+% CONFIGURA CADA TIPO DE REFERENCIA
+% -----------------------------------------------------------------------------
+
 FUNCTION {article} {
     output.bibitem
     format.authors "author" output.check
@@ -628,7 +657,7 @@ FUNCTION {article} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {book} {
@@ -657,14 +686,14 @@ FUNCTION {book} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {booklet} {
     output.bibitem
     format.authors output
     title empty$ {
-        "empty title in " cite$ * warning$
+        "titulo vacio en " cite$ * warning$
         howpublished new.sentence.checka
     }{
         howpublished empty$ not
@@ -683,7 +712,7 @@ FUNCTION {booklet} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {inbook} {
@@ -714,7 +743,7 @@ FUNCTION {inbook} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {incollection} {
@@ -738,7 +767,7 @@ FUNCTION {incollection} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {inproceedings} {
@@ -763,7 +792,7 @@ FUNCTION {inproceedings} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {conference} {
@@ -795,7 +824,7 @@ FUNCTION {manual} {
     format.date output
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {mastersthesis} {
@@ -803,13 +832,13 @@ FUNCTION {mastersthesis} {
     format.authors "author" output.check
     format.title "title" output.check
     blank.sep
-    "Master's thesis" format.thesis.type output.nonnull
+    "Tesis M.Sc." format.thesis.type output.nonnull
     school "school" output.check
     address output
     format.date "year" output.check
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {misc} {
@@ -833,7 +862,7 @@ FUNCTION {misc} {
     output.links
     new.block
     note output
-    fin.entry
+    end.entry
     empty.misc.check
 }
 
@@ -842,13 +871,13 @@ FUNCTION {phdthesis} {
     format.authors "author" output.check
     format.btitle "title" output.check
     new.block
-    "PhD thesis" format.thesis.type output.nonnull
+    "Tesis PhD" format.thesis.type output.nonnull
     school "school" output.check
     address output
     format.date "year" output.check
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {proceedings} {
@@ -869,7 +898,7 @@ FUNCTION {proceedings} {
     format.date "year" output.check
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {techreport} {
@@ -883,7 +912,7 @@ FUNCTION {techreport} {
     format.date "year" output.check
     new.block
     note output
-    fin.entry
+    end.entry
 }
 
 FUNCTION {unpublished} {
@@ -893,45 +922,36 @@ FUNCTION {unpublished} {
     blank.sep
     note "note" output.check
     format.date output
-    fin.entry
-}
-
-FUNCTION {default.type} {
-    misc
-}
-
-FUNCTION {initialize.longest.label} {
-    "" 'longest.label :=
-    #1 'number.label :=
-    #0 'longest.label.width :=
+    end.entry
 }
 
-FUNCTION {longest.label.pass} {
-    number.label int.to.str$ 'label :=
-    number.label #1 + 'number.label :=
-    label width$ longest.label.width > {
-        label 'longest.label :=
-        label width$ 'longest.label.width :=
-    } 'skip$ if$
-}
+% -----------------------------------------------------------------------------
+% INICIA REFERENCIAS
+% -----------------------------------------------------------------------------
 
 FUNCTION {begin.bib} {
     preamble$ empty$ 'skip$ {
-        preamble$ write$ newline$
+        preamble$ write$
+        newline$
     } if$
-    "\begin{thebibliography}{" longest.label * "}" *
-    write$ newline$
-    "  \providecommand\backrefparscanfalse{}"
-    write$ newline$
-    "  \providecommand\backrefparscantrue{}"
-    write$ newline$
-    "  \providecommand\backrefprint{}"
-    write$ newline$
+    "\begin{thebibliography}{" longest.label * "}" * write$
+    newline$
+    "  \providecommand\backrefparscanfalse{}" write$
+    newline$
+    "  \providecommand\backrefparscantrue{}" write$
+    newline$
+    "  \providecommand\backrefprint{}" write$
+    newline$
+}
+
+FUNCTION {default.type} {
+    misc
 }
 
 FUNCTION {end.bib} {
     newline$
-    "\end{thebibliography}" write$ newline$
+    "\end{thebibliography}" write$
+    newline$
 }
 
 READ
diff --git a/src/cfg/final.tex b/src/cfg/final.tex
index df47938..7a58a46 100644
--- a/src/cfg/final.tex
+++ b/src/cfg/final.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Configuraciones finales
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cfg/init.tex b/src/cfg/init.tex
index 27b9179..1a76892 100644
--- a/src/cfg/init.tex
+++ b/src/cfg/init.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Configuración inicial del template
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
@@ -70,16 +70,16 @@
 		Template.Author.Email={pablo@ppizarror.com},
 		Template.Author.Web={https://ppizarror.com},
 		Template.Author={Pablo Pizarro R.},
-		Template.Date={07/08/2024},
+		Template.Date={23/08/2024},
 		Template.Encoding={UTF-8},
 		Template.Latex.Compiler={pdflatex},
 		Template.License.Type={MIT},
 		Template.License.Web={https://opensource.org/licenses/MIT},
 		Template.Name={Template-Articulo},
 		Template.Type={Normal},
-		Template.Version.Dev={1.3.6-ARTC},
-		Template.Version.Hash={D44DC64375187132720B6278B050F8F8},
-		Template.Version.Release={1.3.6},
+		Template.Version.Dev={1.3.7-ARTC},
+		Template.Version.Hash={D4A78D24C2DF91ECE252B26BFB8832E2},
+		Template.Version.Release={1.3.7},
 		Template.Web.Dev={https://github.com/Template-Latex/Template-Articulo},
 		Template.Web.Manual={https://latex.ppizarror.com/articulo},
 	},
@@ -87,7 +87,7 @@
 	pdfmenubar={\cfgpdfmenubar},
 	pdfpagelayout={\cfgpdflayout},
 	pdfpagemode={\cfgpdfpagemode},
-	pdfproducer={Template-Articulo v1.3.6 | (Pablo Pizarro R.) ppizarror.com},
+	pdfproducer={Template-Articulo v1.3.7 | (Pablo Pizarro R.) ppizarror.com},
 	pdfremotestartview={Fit},
 	pdfstartpage={1},
 	pdfstartview={\cfgpdfpageview},
diff --git a/src/cfg/page.tex b/src/cfg/page.tex
index 931c986..7127334 100644
--- a/src/cfg/page.tex
+++ b/src/cfg/page.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Configuración de página
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/articulo.tex b/src/cmd/articulo.tex
index 8ee1e57..2a6ac17 100644
--- a/src/cmd/articulo.tex
+++ b/src/cmd/articulo.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones exclusivas de Template-Articulo
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/column.tex b/src/cmd/column.tex
index 8b47a18..51ac2dc 100644
--- a/src/cmd/column.tex
+++ b/src/cmd/column.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones para crear columnas con contenido
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/core.tex b/src/cmd/core.tex
index 3321be0..63dfc4f 100644
--- a/src/cmd/core.tex
+++ b/src/cmd/core.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones del núcleo del template
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/equation.tex b/src/cmd/equation.tex
index fa175ba..d909b08 100644
--- a/src/cmd/equation.tex
+++ b/src/cmd/equation.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones para insertar ecuaciones
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/image.tex b/src/cmd/image.tex
index d34b130..0591c91 100644
--- a/src/cmd/image.tex
+++ b/src/cmd/image.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones para insertar imágenes
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/math.tex b/src/cmd/math.tex
index 511e6ad..8faa1cf 100644
--- a/src/cmd/math.tex
+++ b/src/cmd/math.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones matemáticas
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/other.tex b/src/cmd/other.tex
index b5b86ed..8114c92 100644
--- a/src/cmd/other.tex
+++ b/src/cmd/other.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones para insertar elementos
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/cmd/title.tex b/src/cmd/title.tex
index c16e6be..2d37006 100644
--- a/src/cmd/title.tex
+++ b/src/cmd/title.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Funciones para insertar títulos
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/config.tex b/src/config.tex
index 2c468d9..756a535 100644
--- a/src/config.tex
+++ b/src/config.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Configuraciones del template
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/defs.tex b/src/defs.tex
index edc09e0..ae6eb6f 100644
--- a/src/defs.tex
+++ b/src/defs.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Definiciones
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/env/environments.tex b/src/env/environments.tex
index 586de7f..7fe68fd 100644
--- a/src/env/environments.tex
+++ b/src/env/environments.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Definición de entornos
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/env/imports.tex b/src/env/imports.tex
index 8663faa..8101b2f 100644
--- a/src/env/imports.tex
+++ b/src/env/imports.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Importación de librerías
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/etc/example.tex b/src/etc/example.tex
index c3b0f2b..909212b 100644
--- a/src/etc/example.tex
+++ b/src/etc/example.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Archivo de ejemplo
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/style/code.tex b/src/style/code.tex
index 8c5980a..c530bd9 100644
--- a/src/style/code.tex
+++ b/src/style/code.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Estilos de código fuente
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/src/style/other.tex b/src/style/other.tex
index ce73ffc..ee54cca 100644
--- a/src/style/other.tex
+++ b/src/style/other.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Otros estilos
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
diff --git a/template.tex b/template.tex
index 6bf9b9e..0ea8567 100644
--- a/template.tex
+++ b/template.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Núcleo del template
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.
@@ -5889,16 +5889,16 @@
 		Template.Author.Email={pablo@ppizarror.com},
 		Template.Author.Web={https://ppizarror.com},
 		Template.Author={Pablo Pizarro R.},
-		Template.Date={07/08/2024},
+		Template.Date={23/08/2024},
 		Template.Encoding={UTF-8},
 		Template.Latex.Compiler={pdflatex},
 		Template.License.Type={MIT},
 		Template.License.Web={https://opensource.org/licenses/MIT},
 		Template.Name={Template-Articulo},
 		Template.Type={Normal},
-		Template.Version.Dev={1.3.6-ARTC},
-		Template.Version.Hash={D44DC64375187132720B6278B050F8F8},
-		Template.Version.Release={1.3.6},
+		Template.Version.Dev={1.3.7-ARTC},
+		Template.Version.Hash={D4A78D24C2DF91ECE252B26BFB8832E2},
+		Template.Version.Release={1.3.7},
 		Template.Web.Dev={https://github.com/Template-Latex/Template-Articulo},
 		Template.Web.Manual={https://latex.ppizarror.com/articulo},
 	},
@@ -5906,7 +5906,7 @@
 	pdfmenubar={\cfgpdfmenubar},
 	pdfpagelayout={\cfgpdflayout},
 	pdfpagemode={\cfgpdfpagemode},
-	pdfproducer={Template-Articulo v1.3.6 | (Pablo Pizarro R.) ppizarror.com},
+	pdfproducer={Template-Articulo v1.3.7 | (Pablo Pizarro R.) ppizarror.com},
 	pdfremotestartview={Fit},
 	pdfstartpage={1},
 	pdfstartview={\cfgpdfpageview},
diff --git a/template_config.tex b/template_config.tex
index 2c468d9..756a535 100644
--- a/template_config.tex
+++ b/template_config.tex
@@ -1,6 +1,6 @@
 % Template:     Artículo LaTeX
 % Documento:    Configuraciones del template
-% Versión:      1.3.6 (07/08/2024)
+% Versión:      1.3.7 (23/08/2024)
 % Codificación: UTF-8
 %
 % Autor: Pablo Pizarro R.