T. Sugiyama, T. Kido, and M. Nakanishi. Progress in Evolutionary Computation, volume 956 of Lecture Notes in Artificial Intelligence, Springer-Verlag, Heidelberg, Germany, (1995)
F. Corno, E. Sanchez, and G. Squillero. Proceedings of the 2004 IEEE Congress on Evolutionary
Computation, page 133--138. Portland, Oregon, IEEE Press, (20-23 June 2004)
A. Bajurnow, and V. Ciesielski. Proceedings of the 2004 IEEE Congress on Evolutionary
Computation, page 1828--1835. Portland, Oregon, IEEE Press, (20-23 June 2004)