A. Piszcz, and T. Soule. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 953--954. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
R. Ondas, M. Pelikan, and K. Sastry. WSC10: 10th Online World Conference on Soft Computing
in Industrial Applications, page 363--372. On the World Wide Web, (19 September - 7 October 2005)