G. Olague Caballero, E. Romero, L. Trujillo, and B. Bhanu. Applications of Evolutionary Computing,
EvoWorkshops2007: EvoCOMNET, EvoFIN, EvoIASP,
EvoInteraction, EvoMUSART, EvoSTOC,
EvoTransLog, volume 4448 of LNCS, page 291--300. Valencia, Spain, Springer Verlag, (11-13 April 2007)
P. Castillo, M. Arenas, J. Merelo, G. Romero, F. Rateb, and A. Prieto. Genetic Programming 7th European Conference, EuroGP
2004, Proceedings, volume 3003 of LNCS, page 240--249. Coimbra, Portugal, Springer-Verlag, (5-7 April 2004)