E. Clark, E. Donovan, and P. Schoettker. International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 18 (3):
165-166(June 2006)PUBM: Print-Electronic; DEP: 20060413; JID: 9434628; 2006/04/13 aheadofprint; ppublish.
W. Langdon, S. Barrett, and B. Buxton. Genetic Programming, Proceedings of the 5th European
Conference, EuroGP 2002, volume 2278 of LNCS, page 60--70. Kinsale, Ireland, Springer-Verlag, (3-5 April 2002)