P. Whigham, and G. Dick. Genetic Programming and Evolvable Machines, 9 (2):
157--170(June 2008)Special Issue on Theoretical foundations of
evolutionary computation.
Y. Kwon, and B. Moon. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), page 1352--1358. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)