* [https://web.archive.org/web/20060906092853/http://www.holycross.edu/departments/biology/kprestwi/behavior/ESS/ESS_index_frmset.html Game Theory and Evolutionarily Stable Strategies], Kenneth N. Prestwich's site at College of the Holy Cross. | * [https://web.archive.org/web/20060906092853/http://www.holycross.edu/departments/biology/kprestwi/behavior/ESS/ESS_index_frmset.html Game Theory and Evolutionarily Stable Strategies], Kenneth N. Prestwich's site at College of the Holy Cross. |