diff --git a/README.md b/README.md
index b3f96a1..e96a865 100644
--- a/README.md
+++ b/README.md
@@ -7,9 +7,9 @@ This engine consists of various "Agents" trading commodities, with emergent free
 
 The eventual goal is to create an open-source "Economics engine" for games and simulations, much like contemporary open-source "Physics engines."
 
-Based on "[Emergent Economies for Role Playing Games](http://larc.unt.edu/techreports/LARC-2010-03.pdf)" by Jonathon Doran and Ian Parberry.
+Based on "[Emergent Economies for Role Playing Games](http://ianparberry.com/pubs/econ.pdf)" by Jonathon Doran and Ian Parberry.
 
-Source: [Procedural Content Generation](http://larc.unt.edu/ian/research/content/)
+Source: [Procedural Content Generation](http://ianparberry.com/research/content/)
 
 Building the example project
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