TY  - BOOK
AU  - Date, C.J.
TI  - An introduction to Database system
SN  - 971517029
U1  - GC 005.74 D262 1990 
PY  - 1990///
CY  - Reading, MA
PB  - Addison-Westly Pub.
KW  - Database management
N1  - Includes index
ER  -