ISO/IEC-9646-3 Complete Document History
Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 3: The Tree and Tabular Combined Notation (TTCN)

Complete Current Edition:
   2ND EDITION - INTERCONNECTION - CONFORMANCE - Nov. 1, 1998

Obsolete Revision Information:
   1ST EDITION - Part 3: The Tree and Tabular Combined Notation (TTCN) - Oct. 1, 1992