1. T. Agerwala, A complete model for representing the coordination of asynchronous processes, Hopkins Computer Research Report 32, John Hopkins University, 1974.
2. Comments on capabilities, limitations and “correctness” of Petri nets;Agerwala;Comput. Archit. News,1973
3. Modelling with Generalized Stochastic Petri Nets;Ajmone Marsan,1995
4. P. Baldan, Modelling concurrent computations: from contextual Petri nets to graph grammars, Ph.D. Thesis, Department of Computer Science, University of Pisa, 2000. Available as Technical Report No. TD-1/00.
5. P. Baldan, N. Busi, A. Corradini, G.M. Pinna, Functorial concurrent semantics for Petri nets with read and inhibitor arcs, in: C. Palamidessi (Ed.), CONCUR’00 Conference Proceedings, Lecture Notes in Computer Science, Vol. 1877, Springer, Berlin, 2000, pp. 442–457.