Juan Bicarregui, Kevin Lano, T. S. E. Maibaum. Objects, Associations and Subsystems: A Hierarchical Approach to Encapsulation. In Mehmet Aksit, Satoshi Matsuoka, editors, ECOOP 97 - Object-Oriented Programming, 11th European Conference, Jyväskylä, Finland, June 9-13, 1997, Proceedings. Volume 1241 of Lecture Notes in Computer Science, pages 324-343, Springer, 1997. [doi]
Abstract is missing.