1. Composing specifications;Abadi,1990
2. A logical view of composition and refinement;Abadi;Proc. 18th Ann. ACM Symp. on Principles of Programming Languages,1991
3. Modal logic of concurrent nondeterministic programs;Abrahamson,1979
4. Domain theory in logical form;Abramsky;Ann. Pure Appl. Logic,1991
5. Quantales, observational logic, and process semantics;Abramsky,1990