TY  - BOOK
AU  - Date C.J.
TI  - Introduction to Database Systems
SN  - 0000032058
U1  - 1.6 
PY  - 2000///
CY  - New york
PB  - Pearson Education
KW  -  Introduction
KW  -  Systems
KW  - Data Base Mana System
KW  - Database
ER  -