1. Abelson, H., Sussman, G.J.: Structure and Interpretation of Computer Programs. MIT Press, Cambridge (1985)
2. Lecture Notes in Computer Science;L. Cardelli,1998
3. Caromel, D.: Toward a method of object-oriented concurrent programming. Communications of the ACM 36(9), 90–102 (1993)
4. De Meuter, W., D’Hondt, T., Dedecker, J.: Intersecting classes and prototypes. In: Proceedings of PSI-Conference, Springer, Heidelberg (2003)
5. D’Hondt, T.: The pico programming language project (1996),
http://pico.vub.ac.be