1. Structured Analysis Specification;Marco,1979
2. Structure and development of real time systems, Introduction and Tools;Ward,1985
3. High level Petri nets with data structures;Sibertin-Blanc,1975
4. Petri Nets Theory and the Modelling of Systems;Peterson,1981
5. Process translatable petri nets for the rapid prototyping of process control systems;Bruno;IEEE Transactions on Software Engineering,1986