1. Objective CAML Home Page, http://pauillac.inria.fr/ocaml
2. The JoCaml Home Page, http://pauillac.inria.fr/jocaml
3. Abadi, M., Cardelli, L.: A Theory of Objects. Springer, Heidelberg (1996)
4. Agha, G.: ACTORS: A Model of Concurrent Computation in Distributed Systems. MIT Press, Cambridge (1986)
5. Agha, G., Hewitt, C.: Actors: A Conceptual Foundation for Concurrent Object-Oriented Programming. In: Shiver, Wegner (eds.) Research Directions on Object-Oriented Programming. MIT Press, Cambridge (1981)