Y. Shan, H. Abbass, R. McKay, and D. Essam. Proceedings of the Sixth Australia-Japan Joint
Workshop on Intelligent and Evolutionary Systems, Australian National University, Canberra, Australia, (30 November 2002)
M. Crepinsek, M. Mernik, B. Bryant, F. Javed, and A. Sprague. Electronic Notes in Theoretical Computer Science, 141 (4):
99--116(12 December 2005)Proceedings of the Fifth Workshop on Language
Descriptions, Tools, and Applications (LDTA 2005).
T. Hoang, N. Hoai, R. McKay, and D. Essam. Genetic Programming Theory and Practice III, volume 9 of Genetic Programming, chapter 11, Springer, Ann Arbor, (12-14 May 2005)