Designing Relational Database Systems (Dv-Mps Designing)
Chapter 1
1. E. F. Codd, "A Relational Model of Data for Large Shared Data Banks," Communications of the ACM, Vol. 13, No. 6 (June 1970).
2. Peter Pin Shan Chen, "The Entity Relationship Model—Toward a Unified View of Data?", ACM TODS 1, No. 1 (March 1976).
Chapter 4
1. C. J. Date, An Introduction to Database Systems, 6th ed. (Reading: Addison-Wesley, 1995), 128.