F. Schmiedle, N. Drechsler, D. Grosse, and R. Drechsler. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 129--136. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
E. de Jong, R. Watson, and J. Pollack. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 11--18. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)