1. Allen, R., Garlan, D.: Formalizing architectural connection. In: Proceedings 16th International Conference on Software Engineering (1994)
2. Allen, R., Garlan, D.: A formal basis for architectural connection. ACM Trans. Soft. Eng. and Meth. (July 1997)
3. Asperti, A.: A logic for concurrency. Unpublished manuscript (November 1987)
4. Handbook of Logic in Computer Science;H.P. Barendregt,1992
5. Basin, D., Clavel, M., Meseguer, J.: Reflective metalogical frameworks. In: Proc. LFM 1999, Paris, France (September 1999) http://www.cs.bell-labs.com/~felty/LFM99/