1. Abadi, M., Cardelli, L.: A Theory of Objects. Springer, Heidelberg (1996)
2. Lecture Notes in Computer Science;M. Abadi,1997
3. America, P., de Boer, F.S.: A proof theory for a sequential version of POOL. Technical Report, University of Utrecht (1999), http://www.cs.uu.nl/people/frankb/Available-papers/spool.dvi
4. Banerjee, A., Naumann, D.: Representation independence, confinement, and access control. In: Proceedings of ACM Principles of Programming Languages POPL, vol. 164, pp. 166–177. ACM Press, New York (2002)
5. Lecture Notes in Computer Science;C. Calcagno,2001