TY  - BOOK
AU  - Date, C. J.
TI  - An introduction to database systems
SN  - 8185015589
U1  - 005.74 DAT 
PY  - 1981///
CY  - Delhi
PB  - Narosa Publishing House
KW  - Database management
KW  - Computer systems
KW  - Date, C. J
KW  - Computer Science
ER  -