1. A refinement of Kahn's semantics to handle nondeterminism and communication;Back,1982
2. On the Suitability of Trace Semantics for Modular Proofs of Communicating Processes;Back,1982
3. Denotational semantics of concurrency;De Bakker,1982
4. Processes and the denotational semantics of concurrency;De Bakker;Inform. Control,1982
5. Linear time and branching time semantics for recursion with merge;De Bakker,1983