D. Randell, Z. Cui, and A. Cohn. KR'92. Principles of Knowledge Representation and Reasoning: Proceedings of the Third International Conference, Morgan Kaufmann, San Mateo, California, (1992)
D. Randell, Z. Cui, and A. Cohn. KR'92. Principles of Knowledge Representation and Reasoning: Proceedings of the Third International Conference, Morgan Kaufmann, San Mateo, California, (1992)