Information technology; Open Systems Interconnection; conformance testing methodology and framework; part 1: general concepts (ISO/IEC 9646-1:1991); english version EN 29646-1:1992— 35 стр.
Information technology. Open systems interconnection. Conformance testing methodology and framework. The Tree and tabular combined notation (TTCN)— 280 стр.
Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 1: General concepts (ISO/IEC 9646-1:1994); English version EN ISO/IEC 9646-1:1996
