# HG changeset patch
# User Robert McIntyre <rlm@mit.edu>
# Date 1328426483 25200
# Node ID a165d4a86e75e29eb4064bdf9866b41695738567
# Parent  3883580e9d28dfaa544afb52edbb38ed94abeae6
found good link to paper

diff -r 3883580e9d28 -r a165d4a86e75 org/intro.org
--- a/org/intro.org	Sun Feb 05 00:02:00 2012 -0700
+++ b/org/intro.org	Sun Feb 05 00:21:23 2012 -0700
@@ -125,7 +125,7 @@
 ago, and as a result it has been ported and modified for many
 different reasons. This engine was famous for its advanced use of
 realistic shading and had decent and fast physics
-simulation. Researchers at Princeton [[../sources/mouse-in-virtual-reality.pdf][used this code]] to study spatial
+simulation. Researchers at Princeton [[http://papers.cnl.salk.edu/PDFs/Intracelllular%20Dynamics%20of%20Virtual%20Place%20Cells%202011-4178.pdf][used this code]] to study spatial
 information encoding in the hippocampal cells of rats. Those
 researchers created a special Quake II level that simulated a maze,
 and added an interface where a mouse could run around inside a ball in