G. Ardourel and M. Huchard, AGATE, access graph based tools for handling encapsulation, Proceedings 16th Annual International Conference on Automated Software Engineering (ASE 2001), pp.311-314, 2001.
DOI : 10.1109/ASE.2001.989818

URL : https://hal.archives-ouvertes.fr/hal-00451468

G. Ardourel and M. Huchard, Access Graphs., The Journal of Object Technology, vol.1, issue.5, 2002.
DOI : 10.5381/jot.2002.1.5.a1

URL : https://hal.archives-ouvertes.fr/hal-00444071

K. Arnold and J. Gosling, The Java Programming Language Second Edition, 1998.

G. Booch, J. Rumbaugh, and I. Jacobson, The Unified Modeling Language User Guide, 1999.

I. Joyner, Objects Unencapsulated, Java, Eiffel and C++, 1999.

B. Meyer, Object-oriented Software Construction, 1988.

B. Meyer, Eiffel, The Language, 1992.

A. Snyder, Encapsulation and Inheritance in Object-Oriented Programming Languages, Special issue of Sigplan Notice -Proceedings of ACM OOPSLA'86, pp.38-45, 1986.

S. T. Taft and R. A. Duff, The Ada 95 Reference Manual It's very difficult to know if it was used with such low level of detail, Lecture Notes in Computer Science, vol.1246, issue.8, 1997.