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Have a read of the blog post by John Stevenson of Edinburgh Uni:<br><br><a href="http://all-geo.org/volcan01010/2011/11/all-the-software-a-geoscientists-needs-for-free/">http://all-geo.org/volcan01010/2011/11/all-the-software-a-geoscientists-needs-for-free/</a><br> </div></body>
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