1. Actors: A Model of Concurrent Computation in Distributed Systems;Agha,1986
2. On the parameterized algebraic specification of concurrent systems;Astesiano,1985
3. Bisimulation in algebraic specifications;Astesiano,1989
4. Behavioural and abstractor specifications;Bidoit;Science of Computer Programming,1995
5. Verifying Temporal Properties of Systems;Bradfield,1992