Sowell, Edward F, Michael A Moshier, and Philip  Haves. "Graph-theoretic Methods in Simulation Using SPARK." High Performance Computing Symposium of the Advanced Simulation Technologies Conference 2004.

Sowell, Edward F, Michael A Moshier, Philip  Haves, and Dimitri  Curtil. "Graph-Theoretic Methods in Simulation Using SPARK." High Performance Computing Symposium of the Advanced Simulation Technologies Conference (Society for Modeling Simulation International) 2004.