T. Soule, and J. Foster. 1998 IEEE International Conference on Evolutionary
Computation, page 781--186. Anchorage, Alaska, USA, IEEE Press, (5-9 May 1998)
S. Luke. GECCO 2005: Proceedings of the 2005 conference on
Genetic and evolutionary computation, 1, page 91--97. Washington DC, USA, ACM Press, (25-29 June 2005)
W. Langdon. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2000), page 451--458. Las Vegas, Nevada, USA, Morgan Kaufmann, (10-12 July 2000)