TY  - GEN
AU  - Date,C.J.
TI  - An introduction to database systems
SN  - 020154329X
U1  - 005.74 
PY  - 1995///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Database management
N1  - Part 1: Basic Concepts Part 2: The Relational Model Part 3: Database Design Part 4: Data Protection Part 5: Further Topics Part 6: Object Oriented Systems
ER  -