Hans-Dieter Ehrich, Martin Gogolla, AmÃlcar Sernadas. Objects and their Specification. In Michel Bidoit, Christine Choppy, editors, Recent Trends in Data Type Specification, 8th Workshop on Specification of Abstract Data Types Joint with the 3rd COMPASS Workshop, Dourdan, France, August 26-30, 1991, Selected Papers. Volume 655 of Lecture Notes in Computer Science, pages 40-65, Springer, 1991.
Abstract is missing.