J. Joines, and C. Houck. Proceedings of the First IEEE Conference on Evolutionary Computation,
1994. IEEE World Congress on Computational Intelligence., 2, page 579-584. Washington, DC, USA, IEEE Computer Society, (June 1994)
B. Babu, and M. Jehan. Proceedings of the 2003 Congress on Evolutionary Computation, 4, page 2696-2703. Washington, DC, USA, IEEE Computer Society, (December 2003)
W. Langdon, and B. Buxton. Second International Conference on Multiple Classifier
System, volume 2096 of LNCS, page 68--77. Cambridge, Springer Verlag, (2-4 July 2001)