R. Vanyi, и G. Kokai. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), стр. 163--172. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)
W. Langdon. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2000), стр. 451--458. Las Vegas, Nevada, USA, Morgan Kaufmann, (10-12 July 2000)
W. Langdon, и W. Banzhaf. Parallel Problem Solving from Nature - PPSN VI 6th
International Conference, том 1917 из LNCS, стр. 201--210. Paris, France, Springer Verlag, (16-20 September 2000)
W. Langdon. Proceedings of the Eleventh Belgium/Netherlands
Conference on Artificial Intelligence (BNAIC'99), стр. 255--256. Kasteel Vaeshartelt, Maastricht, Holland, (3-4 November 1999)
W. Langdon. SEN-R9907. Centrum voor Wiskunde en Informatica, CWI, P.O. Box 94079, Kruislaan 413, NL-1090 GB
Amsterdam, The Netherlands, (11 April 1999)
W. Langdon. Proceedings of the Genetic and Evolutionary
Computation Conference, 2, стр. 1092--1097. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)
N. Drechsler, F. Schmiedle, D. Grosse, и R. Drechsler. Genetic Programming, Proceedings of EuroGP'2001, том 2038 из LNCS, стр. 1--10. Lake Como, Italy, Springer-Verlag, (18-20 April 2001)