R. Abbott, B. Parviz, and C. Sun. Proceedings of the International Conference on
Artificial Intelligence, IC-AI '04, Volume 2 &
Proceedings of the International Conference on Machine
Learning; Models, Technologies & Applications, MLMTA
'04, 2, page 1113--1116. Las Vegas, Nevada, USA, CSREA Press, (June 2004)
A. Almal, W. Worzel, E. Wollesen, and C. MacLean. Genetic Programming Theory and Practice III, volume 9 of Genetic Programming, chapter 12, Springer, Ann Arbor, (12-14 May 2005)
D. Cho, and B. Zhang. Proceedings 4th International Symposium on Artificial
Life and Robotics, page 236--239. B-Con Plaza, Beppu, Oita, Japan, (19-22 January 1999)
M. Clergue, P. Collard, M. Tomassini, and L. Vanneschi. GECCO 2002: Proceedings of the Genetic and
Evolutionary Computation Conference, page 724--732. New York, Morgan Kaufmann Publishers, (9-13 July 2002)
P. Dittrich, A. Skusa, W. Kantschik, and W. Banzhaf. Proceedings of the Genetic and Evolutionary
Computation Conference, 2, page 1002--1008. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)
D. Essam, and R. McKay. Proceedings of the 2001 Congress on Evolutionary
Computation CEC2001, page 895--901. COEX, World Trade Center, 159 Samseong-dong,
Gangnam-gu, Seoul, Korea, IEEE Press, (27-30 May 2001)