A. Agogino, K. Tumer, and R. Miikkulainen. GECCO'05: Proc. 7th Genetic and Evolutionary Computation Conf., page 1309--1316. Washington, DC, ACM Press, (2005)
J. Walker, and J. Miller. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1724--1730. London, ACM Press, (7-11 July 2007)
V. Vassilev, J. Miller, and T. Fogarty. Proceedings of the Congress on Evolutionary
Computation, 2, Mayflower Hotel, Washington D.C., USA, IEEE Press, (6-9 July 1999)