Hiroaki Etoh, Naoyuki Tamura, Yasuo Asakawa, Toshiyuki Hama, Hideaki Komatsu. Introduction of a Package System into Prolog. In Koichi Furukawa, Hozumi Tanaka, Tetsunosuke Fujisaki, editors, Logic Programming 87, Proceedings of the 6th Conference, Tokyo, Japan, June 22-24, 1987. Volume 315 of Lecture Notes in Computer Science, pages 105-112, Springer, 1987.
Abstract is missing.