Al*IA 99: Advances in artificial intelligence : 6th congress of the Italian assoc.for artificial intelligence, Bologna, Sept.14-17, 1999: Proc. / Italian association for artificial intelligence, 2000. - XI, 392 p. 392 p. - Текст : непосредственный.
Extensions of logic programming:Third intern.workshop,ELP'92 Bologna, Feb.26-28,1992. : Proc. / Ed.by: E. Lamma, P. Mello, 1993. - 417 p. - Текст : непосредственный.