Add reference.
authorMatthijs Kooijman <kooijman@eris.recoresystems.com>
Mon, 21 Jul 2008 10:26:31 +0000 (12:26 +0200)
committerMatthijs Kooijman <kooijman@eris.recoresystems.com>
Mon, 21 Jul 2008 10:26:31 +0000 (12:26 +0200)
commita0a6273b5d64a359ae4e341c3e928973c471c9e2
treefcf77380875e5d08e535a6b4ea5ad7314fb77b7b
parent3c6158e2d6f5f0381df10e97b4d72db9b7c4fc91
Add reference.
Report/Main/Problems/Challenges.tex