00359nam a2200121Ia 4500082002500000100002300025245003400048260002200082300001000104500011300114500000500227700000500232  a518.5015113bP252.LL  aParlamento, Franco  aLogic and logic programmingb  aUDINEbCISMc1991  a100p.  a"Unesco project on applied Mathematics, and Informatics in developing countries - 7A, May 6 - June 14, 1991"  a  a