A Scalable Simulator for Forest Dynamics (ps file)  (pdf file)
Sathish Govindarajan, Mike Dietze, Pankaj Agarwal, James S. Clark
Symposium on Computational Geometry 2004, pp 106-115

A Scalable Algorithm for dispersing Population
  (pdf file)
Sathish Govindarajan, Mike Dietze, Pankaj Agarwal, James S. Clark
Accepted. Special Issue of Journal of Intelligent Information Systems.