1. Lect Notes Comput Sci;W. M. P. Aalst van der,1993
2. N. A. Anisimov. An algebra of regular macronets for formal specification of communication protocols. Computers and Artificial Intelligence, 10(6):541–560, 1991.
3. N. A. Anisimov, K. Kishinski, A. Miloslavski, and P. A. Postupalski. Macroplaces in high level Petri nets: Application for design inbound call center. In Proceedings of the Int. Conference on Information System Analysis and Synthesis (ISAS’96), Orlando, FL, USA, pages 153–160, July 1996.
4. A. Asperti. A logic for concurrency. unpublished manuscript, November 1987.
5. Lect Notes Comput Sci;E. Battiston,1988