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         <p class="header">a Gaussian processes framework in python</p>
 
         <ul>
+            <li><a class="buttons tutorial" href="http://nbviewer.ipython.org/github/SheffieldML/notebook/blob/master/GPy/index.ipynb">Tutorial notebooks</a></li>
             <li class="download"><a class="buttons" href="https://github.com/SheffieldML/GPy/zipball/master">Download ZIP</a></li>
-            <li class="download"><a class="buttons" href="https://github.com/SheffieldML/GPy/tarball/master">Download TAR</a></li>
             <li><a class="buttons github" href="https://github.com/SheffieldML/GPy">View On GitHub</a></li>
-            <li><a class="buttons tutorial" href="https://github.com/SheffieldML/GPy">View On GitHub</a></li>
         </ul>
 
         <p class="header">This project is maintained by <a class="header name" href="https://github.com/SheffieldML">SheffieldML</a></p>