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+++ b/eo/doc/mainpage.html
@@ -127,17 +127,24 @@
           <td class="TITLE" align="right" valign="top" width="100">
             <h2>Presentations</h2>
           </td>
-          <td bgcolor="#ffcc99">A functional and "philosophical" overview of EO
-            was presented at
-            <a href="http://www.cmap.polytechnique.fr/%7Eea01/">EA'01
-            conference</a>. You can download <a href="EO_EA01.ps.gz">the paper
-            (gzipped Postscript)</a> or <a href="LeCreusot.pdf">the slides
-            (PDF)</a>.&nbsp;
-            <p>An older, but <i>huge</i>, PowerPoint presentation shows the EO
+          <td bgcolor="#ffcc99">
+            <p>
+              A functional and "philosophical" overview of EO was presented at
+              <a href="http://www.cmap.polytechnique.fr/%7Eea01/">EA'01
+                conference</a>. You can download <a
+                href="http://eodev.sourceforge.net/eo/doc/EO_EA2001.pdf">the
+                paper</a> or
+              <a href="http://eodev.sourceforge.net/eo/doc/LeCreusot.pdf">the
+                slides</a>.
+            </p>
+            
+            <p>
+              An older (but <i>huge</i>) PowerPoint presentation shows the EO
               philosophy, and it includes a Visual Basic macro for evolving
               objects in Visual Basic for Applications. You can download
               it <a href="ftp://geneura.ugr.es/pub/jmerelo/eo_ppt.zip">from
-              here</a>.&nbsp;</p>
+              here</a>.
+            </p>
           </td>
         </tr>
         <tr>
@@ -208,7 +215,7 @@
           <td bgcolor="#ffcc99">
             <p>The following resources are available, thanks to sourceforge</p>
             <ul>
-              <li> <a href="https://sourceforge.net/project/?group_id=9775">EO
+              <li> <a href="http://sourceforge.net/project/?group_id=9775">EO
                   SourceForge Project Page</a></li>
               <li><a href="http://eodev.sourceforge.net/eo/doc/html/index.html">EO
                   automatic documentation page at SF</a><br>