A. Radi, and S. El-Bakry. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1756--1756. London, ACM Press, (7-11 July 2007)
D. Howard, and S. Roberts. Proceedings of the 2000 Congress on Evolutionary
Computation CEC00, page 1297--1303. La Jolla Marriott Hotel La Jolla, California, USA, IEEE Press, (6-9 July 2000)