M. Streeter, and L. Becker. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 147--154. 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)