1. Quality Systems—Model for Quality Assurance in Design/Development, Production, Installation, and Servicing;ISO 9001,1987
2. Guidelines for the Application of ISO 9001 to the Development, Supply, and Maintenance of Software;ISO DIS 9000-3,1990
3. Modern Information Policy;Rijsenbrij;CGS Technical Newsletter,1988
4. A Quality System for Software Development (An Implementation Model of ISO 9001);Rijsenbrij;CGS Systems review,1989
5. Quality attributes of EDP projects and information systems;Delen;CGS Technical Newsletter,1989