Clemens A. Szyperski. Import is Not Inheritance - Why We Need Both: Modules and Classes. In Ole Lehrmann Madsen, editor, ECOOP 92, European Conference on Object-Oriented Programming, Utrecht, The Netherlands, June 29 - July 3, 1992, Proceedings. Volume 615 of Lecture Notes in Computer Science, pages 19-32, Springer, 1992. [doi]
Abstract is missing.