Dr. Attila Kuki Assistant Lecturer Department of Informatics Systems and Networks Institute of Informatics University of Debrecen Debrecen, P.O. Box 10, 4010 Hungary
phone: fax:	(36) - 52 - 512 900/75010 (36) - 52 - 416 857
e-mail:
www:	http://irh.inf.unideb.hu/user/kuki/