Charalampos I. Theodoulidis, Pericles Loucopoulos, Benkt Wangler. The Entity-Relationship Time Model and the Conceptual Rule Language. In Toby J. Teorey, editor, Proceedings of the 10th International Conference on Entity-Relationship Approach (ER 91), 23-25 October, 1991, San Mateo, California, USA. pages 181-204, ER Institute, 1991. [doi]
Abstract is missing.