1. Communicating Sequential Processes;Hoare,1985
2. Communication and Concurrency;Milner,1989
3. Testing against Formal Specifications: A Theoretical View;Bernot,1991
4. ISO/IEC JTC1/SC21 WG7, ITU-T SG 10/Q.8. Information Retreival, Transfer, and Management for OSI. Framework: Formal Methods in Conformance Testing. Committee Draft CD 13245-1, ITU-T Proposed Recommendation Z.500. ISO–ITU-T, Geneve, 1996. See also ITU-T. Recommendation Z.500. Framework on formal methods in conformance testing. International Telecommunications Union, Geneve, Switzerland, 1997
5. Refusal Testing;Phillips;Theoretical Computer Science,1987