M. Streeter, M. Keane, and J. Koza. GECCO 2002: Proceedings of the Genetic and
Evolutionary Computation Conference, page 877--884. New York, Morgan Kaufmann Publishers, (9-13 July 2002)
U. O'Reilly, and F. Oppacher. Proceedings of the 1995 World Conference on
Evolutionary Computation, 2, page 573--578. Perth, Australia, IEEE Press, (29 November - 1 December 1995)
S. Maxwell III. Proceedings of the 1994 IEEE World Congress on
Computational Intelligence, 1, page 413--417a. Orlando, Florida, USA, IEEE Press, (27-29 June 1994)
K. Kinnear, Jr.. Proceedings of the 1993 International Conference on
Neural Networks, 2, page 881--888. San Francisco, USA, IEEE Press, (28 March-1 April 1993)