J. Daida. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 799--806. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
F. Binard, and A. Felty. Late breaking paper at Genetic and Evolutionary
Computation Conference (GECCO'2007), page 2415--2422. London, United Kingdom, ACM Press, (7-11 July 2007)