R. Kowalczyk. Methodology and Tools in Knowledge-Based Systems, том 1415 из LNCS, стр. 200--224. Benicassim, Castelln, Sapin, Springer Verlag, (июня 1998)
T. Dunning, и M. Davis. Late Breaking Papers at the Genetic Programming 1996
Conference Stanford University July 28-31, 1996, стр. 16--23. Stanford University, CA, USA, Stanford Bookstore, (28--31 July 1996)