1. Batini C, Ceri S, Navathe S (1992) Conceptual Database Design: An Entity Relationship Approach. The Benjamin/Cummings Publishing Company, Inc
2. Fong J, Pang F, Fong A, Wong D (2000) Schema Integration for Object-Relational Databases with Data Verification, Proceedings of the 2000 International Computer Symposium Workshop on Software Engineering and Database Systems, Taiwan, pp. 185–192.
3. Kwan I, Fong J (1999) Schema Integration Methodology and its Verification by use of Information Capacity. Information Systems 24(5):355–376
4. Özsu M, Valdariez P (1991) Principles of Distributed Database Systems., Prentice Hall International Edition.