1. C. Dony, J. Malefant, P. Cointe: Prototype-based languages: From a new taxonomy to constructive proposals and their validation. Proc. OOPSLA'92. ACM SIGPLAN Notices 27, 12, 201–207 (1992)
2. J.L. Le Moigne: La théorie du système général. Thorie de la modélisation. Paris: Presses Universitaires de France 1977–1983–1990
3. O. Nierstrasz: A survey of object-oriented concepts. In: W. Kim, F. Lochowsky (eds.): Object-oriented concepts, applications and databases. Reading MA: Addison-Wesley 1989.
4. Lecture Notes in Computer Science 763;J. Parets,1994
5. J. Parets-Llorca: On some epistemological challenges of Object-Oriented Software Engineering: If Objects were Systems. 2ème. Congrès Européen de Systemique (CES2). Prague 1993, vol II, pp.447–456