1. Electronic Proceedings of the Fourth International SPIN Workshop, Paris, France, Nov. 1998.
2. ACM. First Annual Symposium on Principles of Programming Languages (POPL) (Boston, MA), January 1973.
3. ACM. Twelfth Annual Symposium on Principles of Programming Languages (POPL), January 1985.
4. Lect Notes Comput Sci,1996
5. R. Alur and T. A. Henzinger. Reactive modules. In LICS’96 [28], pages 207–218.