T. Hoang, N. Hoai, N. Hien, R. McKay, and D. Essam. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 807--814. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
T. Haynes, R. Wainwright, and S. Sen. Proceedings of the first International Conference on
Multiple Agent Systems, page 450. San Francisco, USA, AAAI Press/MIT Press, (12--14 June 1995)Poster.
S. Chen, and B. Chie. Fourth International Conference on Computational
Intelligence and Multimedia Applications (ICCIMA'01), page 61. Yokusike City, Japan, (30 October-1 November 2001)