TY  - BOOK
AU  - Ullman, Jeffrey D
TI  - Principles of database systems\2nd ed
U1  - 681.31.01 
PY  - 1995///
CY  - New Delhi
PB  - Galgotia
KW  - 681.31.01
KW  - Database Systems
KW  - CS/IT 505
ER  -