Y. Zhang, and H. Chen. Advances in Natural Computation, Second International
Conference, ICNC 2006, Proceedings, Part I, volume 4221 of Lecture Notes in Computer Science, page 816--819. Xi'an, China, Springer, (September 2006)
H. Iba, and E. Sakamoto. GECCO 2002: Proceedings of the Genetic and
Evolutionary Computation Conference, page 788--795. New York, Morgan Kaufmann Publishers, (9-13 July 2002)
S. Card, and C. Mohan. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 2, page 1587--1588. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
H. Cao, L. Kang, T. Guo, Y. Chen, and H. de Garis. IEEE Transactions on Systems, Man and Cybernetics --
Part B: Cybernetics, 40 (2):
351--357(April 2000)