1. Koza JR (1992) Genetic programming: on the programming of computers by means of natural selection. MIT Press, Cambridge, MA
2. Ferreira C (2001) Gene expression programming a new adaptive algorithm for solving problems. Complex Syst 13(2):87–129
3. Ferreira C (2006) Gene expression programming: mathematical modeling by an artificial intelligence, 2nd edn. Springer, Berlin Heidelberg New York
4. Zhou C, Xiao W, Tirpak T et al (2003) Evolving accurate and compact classification rules with gene expression programming. IEEE Trans Evol Comput 7(6):519–531
5. Karakasis V, Stafylopatis A (2008) Efficient evolution of accurate classification rules using a combination of gene expression programming and clonal selection. IEEE Trans Evol Comput 12(6):662–678