Diff of /documentation.xml [1a7e34] .. [d9007b] Maximize Restore

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         <li><a href="http://www.informatik.uni-leipzig.de/~graebe/skripte/esr05.pdf"><img src="/i/pdf.png" alt="PDF" title="PDF" class="icon"/>&#x00a0;Skript zum Kurs: Einf체hrung in das symbolische Rechnen</a> by H.-G. Gr채be<br/>(Describes computer algebra systems in general, including Maxima and other programs)</li>
         <li><a href="http://4pple.de/index.php/maxima-ein-opensource-computer-algebra-system-cas/">Maxima ein OpenSource Computer-Algebra-System (CAS)</a> by Sven Hodapp<br/>(Some introductory remarks and information about how to run Maxima on MacOS X.)</li>
         <li><a href="http://www.austromath.at/daten/maxima/zusatz/Grafiken_mit_Maxima.pdf"><img src="/i/pdf.png" alt="PDF" title="PDF" class="icon"/>&#x00a0;Grafiken mit Maxima</a> by Wilhelm Haager</li>
+        <li><a href="http://www.rvk-hagen.de/~stewen/maxima_in_beispielen.pdf"><img src="/i/pdf.png" alt="PDF" title="PDF" class="icon"/>&#x00a0;Standardaufgaben der Sekundarstufe I und II mit Maxima l철sen</a> by Roland Stewen and Eike Sch체tze</li>
     </ul>
 
     <h3>Documents in Greek</h3>
@@ -109,7 +110,7 @@
         <li><a href="/docs/tutorial/es/maxima-resolver.pdf"><img src="/i/pdf.png" alt="PDF" title="PDF" class="icon"/>&#x00a0;Resolver problemas con M찼xima</a> by Robert Dodier</li>
         <li><a href="/docs/tutorial/es/maxima-programacion.pdf"><img src="/i/pdf.png" alt="PDF" title="PDF" class="icon"/>&#x00a0;Programaci처n de M찼xima</a> by Robert Dodier</li>
 	<li><a href="http://vimeo.com/maximajaj"><img src="/i/video.png" alt="Video" title="Video" class="icon"/>&#x00a0;Introducci처n a Maxima</a> by Javier Ar찼ntegui</li>
-	<li><a href="http://www.eumed.net/libros/2010c/728/728.zip"><img src="/i/tgz.png" alt="TGZ" title="TGZ" class="icon"/>&#x00a0;Breve manual de Maxima</a> by Robert Ipanaqu챕 Chero</li>
+	<li><a href="http://www.megaupload.com/?d=JX9QDM8D"><img src="/i/tgz.png" alt="TGZ" title="TGZ" class="icon"/>&#x00a0;Breve manual de Maxima</a> by Robert Ipanaqu챕 Chero</li>
     </ul>
 
     <h3>Publications</h3>