1. ISO/TC97/SC21, OSI conformance testing methodology and framework — Part 1: General Concepts, ISO 2nd DP 9646-1 revised text,1987
2. ISO/TC97/SC21, OSI conformance testing methodology and framework — Part 2: Abstract Test Suite Specification, ISO 2nd DP 9646-2 revised text,1987
3. ISO/TC97/SC21, OSI conformance testing methodology and framework — Part 3: Executable Test Derivation,1987
4. ISO/TC97/SC21, OSI conformance testing methodology and framework — Part 4: Requirements on Suppliers and Clients of Test Laboratories,1987