G. Wilson, and M. Heywood. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 1, page 1053--1061. London, ACM Press, (7-11 July 2007)
S. Harding, J. Miller, and W. Banzhaf. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 1, page 1021--1028. London, ACM Press, (7-11 July 2007)