diff --git a/bibliografia/bibliografia.bib b/bibliografia/bibliografia.bib
index decc31e..8878c31 100644
--- a/bibliografia/bibliografia.bib
+++ b/bibliografia/bibliografia.bib
@@ -918,10 +918,12 @@
 @book{lafaye2002a,
   author    = {Lafaye, Jacques},
   date      = {2002},
+  file      = {:recursos/lafaye2002a.pdf:PDF},
   isbn      = {9681666577},
   keywords  = {prio1,read},
   publisher = {\textsc{fce}},
   title     = {Albores de la imprenta},
+  url       = {http://alturl.com/cgoin},
 }
 
 @book{lenk2007a,
diff --git a/bibliografia/bibliografia.html b/bibliografia/bibliografia.html
index dcc900d..aaf724f 100644
--- a/bibliografia/bibliografia.html
+++ b/bibliografia/bibliografia.html
@@ -654,20 +654,20 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
 }
 </pre></td>
 </tr>
-<tr id="barthes1967a" class="entry">
-	<td>Barthes R (1967), <i>"La muerte del autor"</i>  La letra del escriba.
-	<p class="infolinks"> [<a href="javascript:toggleInfo('barthes1967a','bibtex')">BibTeX</a>] [<a href="http://alturl.com/boauo" target="_blank">URL</a>]</p>
+<tr id="barthes1987a" class="entry">
+	<td>Barthes R (1987), <i>"El susurro del lenguaje"</i>  Paidós.
+	<p class="infolinks"> [<a href="javascript:toggleInfo('barthes1987a','bibtex')">BibTeX</a>] [<a href="http://alturl.com/bnqdm" target="_blank">URL</a>]</p>
 	</td>
 </tr>
-<tr id="bib_barthes1967a" class="bibtex noshow">
+<tr id="bib_barthes1987a" class="bibtex noshow">
 <td><b>BibTeX</b>:
 <pre>
-@booklet{barthes1967a,
+@booklet{barthes1987a,
   author = {Barthes, Roland},
-  title = {La muerte del autor},
-  publisher = {La letra del escriba},
-  year = {1967},
-  url = {http://alturl.com/boauo}
+  title = {El susurro del lenguaje},
+  publisher = {Paidós},
+  year = {1987},
+  url = {http://alturl.com/bnqdm}
 }
 </pre></td>
 </tr>
@@ -855,7 +855,7 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
 </tr>
 <tr id="bonfil2001a" class="entry">
 	<td>Bonfil R, Cavallo G and Chartier R (2001), <i>"Historia de la lectura en el mundo occidental"</i>  Taurus.
-	<p class="infolinks"> [<a href="javascript:toggleInfo('bonfil2001a','bibtex')">BibTeX</a>]</p>
+	<p class="infolinks"> [<a href="javascript:toggleInfo('bonfil2001a','bibtex')">BibTeX</a>] [<a href="http://alturl.com/u39op" target="_blank">URL</a>]</p>
 	</td>
 </tr>
 <tr id="bib_bonfil2001a" class="bibtex noshow">
@@ -865,7 +865,8 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
   author = {Bonfil, Robert and Cavallo, Guglielmo and Chartier, Roger},
   title = {Historia de la lectura en el mundo occidental},
   publisher = {Taurus},
-  year = {2001}
+  year = {2001},
+  url = {http://alturl.com/u39op}
 }
 </pre></td>
 </tr>
@@ -2030,7 +2031,7 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
 </tr>
 <tr id="lafaye2002a" class="entry">
 	<td>Lafaye J (2002), <i>"Albores de la imprenta"</i>  fce.
-	<p class="infolinks"> [<a href="javascript:toggleInfo('lafaye2002a','bibtex')">BibTeX</a>]</p>
+	<p class="infolinks"> [<a href="javascript:toggleInfo('lafaye2002a','bibtex')">BibTeX</a>] [<a href="http://alturl.com/cgoin" target="_blank">URL</a>]</p>
 	</td>
 </tr>
 <tr id="bib_lafaye2002a" class="bibtex noshow">
@@ -2040,7 +2041,8 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
   author = {Lafaye, Jacques},
   title = {Albores de la imprenta},
   publisher = {fce},
-  year = {2002}
+  year = {2002},
+  url = {http://alturl.com/cgoin}
 }
 </pre></td>
 </tr>
@@ -2260,6 +2262,23 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
 }
 </pre></td>
 </tr>
+<tr id="mark2009a" class="entry">
+	<td>Mark J (2009), <i>"Byblos"</i>  Ancient History Encyclopedia.
+	<p class="infolinks"> [<a href="javascript:toggleInfo('mark2009a','bibtex')">BibTeX</a>] [<a href="http://alturl.com/fgypb" target="_blank">URL</a>]</p>
+	</td>
+</tr>
+<tr id="bib_mark2009a" class="bibtex noshow">
+<td><b>BibTeX</b>:
+<pre>
+@online{mark2009a,
+  author = {Mark, Joshua},
+  title = {Byblos},
+  publisher = {Ancient History Encyclopedia},
+  year = {2009},
+  url = {http://alturl.com/fgypb}
+}
+</pre></td>
+</tr>
 <tr id="martin1998a" class="entry">
 	<td>Martin R (1998), <i>"Fragmentation and fetishism: the postmodern in Marx"</i>, Critical Perspectives on Accounting.  Vol. 9(1), pp. 77-93. Elsevier, Inc..
 	<p class="infolinks"> [<a href="javascript:toggleInfo('martin1998a','bibtex')">BibTeX</a>] [<a href="https://doi.org/10.1006/cpac.1997.0144" target="_blank">DOI</a>] [<a href="http://alturl.com/zucq8" target="_blank">URL</a>]</p>
@@ -3368,7 +3387,7 @@ p.infolinks { margin: 0.3em 0em 0em 0em; padding: 0px; }
 </tbody>
 </table>
 <footer>
- <small>Created by <a href="http://jabref.sourceforge.net">JabRef</a> on 21/10/2019.</small>
+ <small>Created by <a href="http://jabref.sourceforge.net">JabRef</a> on 28/10/2019.</small>
 </footer>
 <!-- file generated by JabRef -->
 </body>
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