I. Tanev. GECCO 2005: Proceedings of the 2005 conference on
Genetic and evolutionary computation, 1, page 687--694. Washington DC, USA, ACM Press, (25-29 June 2005)
T. McConaghy, and G. Gielen. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 855--862. Seattle, Washington, USA, ACM Press, (8-12 July 2006)