I. Tanev, and K. Shimohara. Proceedings of the 34th Symposium of the Society of
Instrument and Control Engineers (SICE) on Intelligent
Systems, page 183--188. Japan, SICE, (2007)
J. Klein, and L. Spector. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1628--1635. London, ACM Press, (7-11 July 2007)
J. Carlsson, C. Paiz, K. Wolff, and P. Nordin. Proceedings of the 6th World Multiconference on
Systemics, Cybernetics and Informatics, VI, page 58--62. IIIS, (2002)