Mieczyslaw A. Klopotek Maciej Michalewicz Slawomir T. Wierzchon Intelligent Information Systems, Proceedings of the IIS'2000 Symposium, June 12-16, 2000, Bystra, Poland Intelligent Information Systems Advances in Soft Computing Physica-Verlag 2000 3-7908-1309-5 db/conf/iis/iis2000.html