1. A. Amroun and M. Bolton. Synthesis of controllers from Petri Net descriptions and application of ELLA. In L. Claesen, editor, Proc. IMEC-IFIP Int. Workshop on Applied Formal Methods for Correct VLSI Design, pages 57–74.
2. A.G. Astanovsky, V. I. Varshavsky, V. B. Marakhovsky, V. A. Peschansky, L. Y. Rosenblum, N.A. Starodubcev, R.L. Finkelshtein, and B. S. Tzirlin. Aperiodic Automata. Nauka, 1976. in Russian.
3. Technical Report 2316;E. Badouel,1994
4. M. Ben Ari. Principles of Concurrent and Distributed Programming. Prentice Hall International, London, 1990.
5. L. Bernardinello and F. De Cindio. A survey of basic net models and modular net classes. In Lecture Notes in Computer Science, volume 609, pages 304–351, 1992.