1. Standard A3-1978: Quality systems terminology;ANST/ASQC,1978
2. Principles of reliability databases;Bendel,1991
3. Management information systems;Blumenthal,1969
4. The role of time in information processing: A survey;Bolour;ACM SIGMOD Record,1982
5. Specification and verification of data base semantic integrity;Brodie,1978