R. Mendes, F. de B. Voznika, J. Nievola, and A. Freitas. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 183. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
F. Fernandez, J. Sanchez, and M. Tomassini. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 175. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)