TY  - BOOK
AU  - Ullman, Jeffrey D..
TI  - First Course In Database Systems / 
SN  - 81-7808-303-5
U1  - BV 
PY  - 1990///
CY  - Delhi : 
PB  - Addison Wesley Longman(Singapore), Pte. Ltd., Indian Branch , 
KW  - Databases
ER  -