ory. Cambridge University Press, 2008. EFTA00624676 530 A Glossary Cha09. Mark Changizi. The Vision Revolution. l3enBella Books, 2009. Che97. K. Chellapilla. Evolving computer programs without subtree crossover. IEEE Transactions on Evolutionary Computation, 1997. Coh95. A.C. Cohn. A hierarchical repre