1. Lect Notes Comput Sci;M. Abadi,1994
2. Lect Notes Comput Sci;M. Abadi,1994
3. Lect Notes Comput Sci;M. Abadi,1995
4. Lect Notes Comput Sci;D. Ancona,1996
5. Bracha, G. The Programming Language Jigsaw: Mixins, Modularity and Multiple Inheritance. Ph.D. thesis, Dept. of Computer Science, University of Utah, Mar. 1992.