1. Mathematical Theory of Program Correctness;de Bakker,1980
2. Linear time and branching time semantics for recursion with merge;de Bakker,1983
3. Denotational semantics of concurrency;de Bakker;Proc. 14th ACM Symp. on Theory of Computing,1982
4. Processes and the denotational semantics of concurrency;de Bakker;Inform. Control,1982
5. Fixed point semantics in process algebras;Bergstra,1982