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