TY  - BOOK
AU  - Date C.J.
TI  - Introduction to Data Base Systems
SN  - 0000030227
U1  - 1.6 
PY  - 2000///
CY  - New york
PB  - Addison - Welsey ,NewYork.
KW  -  Data
KW  -  Introduction
KW  -  Systems
KW  - Base
KW  - Data Base Mana System
ER  -