G. Wilson, и M. Heywood. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 1, стр. 1053--1061. London, ACM Press, (7-11 July 2007)
T. Paul, и H. Iba. Genetic Programming Theory and Practice IV, том 5 из Genetic and Evolutionary Computation, глава 10, Springer, Ann Arbor, (11-13 May 2006)
D. Doherty, и C. O'Riordan. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, стр. 1951--1958. London, ACM Press, (7-11 July 2007)