A. Piszcz, and T. Soule. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 953--954. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
J. Daida. GECCO 2005: Proceedings of the 2005 conference on
Genetic and evolutionary computation, 2, page 1627--1634. Washington DC, USA, ACM Press, (25-29 June 2005)