1. Relationships between logical frameworks;Astesiao,1993
2. Proving the correctness of algebraically specified software: Modularity and observability issues;Bernot,1991
3. A general framework for modular implementations of modular system specifications;Bidoit,1993
4. Algebraic specification of modules and their basic interconnections;Blum;J. Comput. System Sci.,1987
5. The semantics of Clear, a specification language;Burstall,1980