K. Downing. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), стр. 19--26. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
T. Higuchi, H. Iba, и B. Manderick. Parallel Problem Solving from Nature III, том 866 из LNCS, стр. 524--533. Jerusalem, Springer-Verlag, (9-14 October 1994)