D. Reif, B. White, N. Olsen, T. Aune, and J. Moore. Genetic and Evolutionary Computation -- GECCO-2003, volume 2724 of LNCS, page 2277--2287. Chicago, Springer-Verlag, (12-16 July 2003)
F. Bennett III, J. Koza, J. Shipman, and O. Stiffelman. Proceedings of the Genetic and Evolutionary
Computation Conference, 2, page 1484--1490. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)
I. Parmee, and A. Watson. Proceedings of the Genetic and Evolutionary
Computation Conference, 2, page 1657--1665. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)