TY  - BOOK
AU  - Date, C. J.
TI  - An Introduction to Database Systems
SN  - 0201144719 
AV  - QA 76.9 D3  D37 1981
PY  - 1981///
CY  - London
PB  - Addison-Wesley
KW  - Database Management
N1  - Includes index
ER  -