1. Data processing — open systems interconnection — basic reference model ISO/TC97/SC16/N537,1980
2. Data processing — open systems interconnection — basic reference model DP ISO/7498,1981
3. Draft basic session service specification version 3, ISO/TC97/SC16/N553
4. Guidelines for specifications of services WG1/FDT-group meeting,1980
5. The distributed abstract machine;Schindler;Comput. Commun.,1980