D. White. (2014)cite arxiv:1401.2651Comment: 27 pages. Originally written in 2009 and hosted on my website, I've decided to put it on the arXiv as a more permanent home. The paper is primarily expository, so I don't really know where to submit it, but perhaps one day I will find an appropriate journal.
W. Jaśkowski, K. Krawiec, and B. Wieloch. Proceedings of the 10th annual conference on Genetic and evolutionary computation, page 355--362. New York, NY, USA, ACM, (2008)
W. Jaśkowski, K. Krawiec, and B. Wieloch. Genetic Programming, volume 4971 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 10.1007/978-3-540-78671-9_2.(2008)
A. Hauptman, and M. Sipper. Genetic Programming, volume 3447 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 10.1007/978-3-540-31989-4_11.(2005)