Evolutionary swarm traffic: if ant roads had traffic lights. - Ricardo M. Hoar; Joanne K. Penner; Christian Jacob 001 (IEEE Congress on Evolutionary Computation, 2002)

Transcription and evolution of a virtual bacteria culture. - Ricardo M. Hoar; Joanne K. Penner; Christian Jacob 001 (IEEE Congress on Evolutionary Computation, 2003)

The application of artificial intelligence to transportation system design. - Ricardo M. Hoar; Joanne K. Penner (ACM Crossroads, 2003)