Fixed link to gcal_all.html
@@ -95,4 +95,4 @@ HoloViews for easier visualization and analysis:
`Fischer (2014)
<http://homepages.inf.ed.ac.uk/jbednar/papers/gee.ms14.pdf>`_ with
`associated notebook
- <http://ioam.github.io/media/topo/gcal_all.html>`_)
+ <http://ioam.github.io/topographica/Tutorials/gcal_all.html>`_)
