L. Yaeger, V. Griffith, and O. Sporns. Artificial Life XI: Proceedings of the Eleventh
International Conference on the Simulation and
Synthesis of Living Systems, page 725--732. Cambridge, MA, MIT Press, (2008)
L. Yaeger, and Sporns. Proceedings of the tenth international conference on
simulation and synthesis of living systems, page 330--336. Cambridge, MA, MIT Press, (2006)