1. The first ten years — The next ten years;West,1990
2. Protocol testing: the first ten years, the next ten years;Sidhu,1990
3. A comparison between conformance, interoperability, performance, development testing, conformance testing and certification;Dilonardo,1990
4. Standardizing conformance testing for OSI;Rayner;Comput. Networks ISDN Syst.,1987