1. Brodie, M. L. (1980). “The Application of Data Types to Database Semantic Integrity.” Information Systems 5: 287–296.
2. Brodie, M. L. and D. Ridjanovic (1984). “On the Design and Specification of Database Transactions”. Topics in Information Systems. On Conceptual Modeling. M. L. Brodie, J. Mylopoulos and J. W. Schmidt, Springer-Verlag: 277–312.
3. Bækgaard, L. (1993). “Specification and Efficient Monitoring of Transaction Dependencies. Ph.D. Thesis”. Department of Mathematics and Computer Science, Aalborg University.
4. Castilho, J. M. V. D., M. A. Casanova, et al. (1982). “A Temporal Framework for Database Specifications”. 8th International Conference on Very Large Databases, Mexico City, Mexico.
5. Cervasato, I. and C. F. Eick (1992). “Specification and Enforcement of Dynamic Consistency Constraints”. CIKM'92. ISSM International Conference on Information and Knowledge Management, Baltimore, Maryland, USA.