B. Rylander, T. Soule, J. Foster, and J. Alves-Foss. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 1005--1011. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
S. Kayani, and M. Malik. Late breaking paper at Genetic and Evolutionary
Computation Conference (GECCO'2007), page 2515--2518. London, United Kingdom, ACM Press, (7-11 July 2007)