TY  - BOOK
AU  - Helman, Paul
TI  - The Science of Database Management 
SN  - 0256134383
U1  - 005.756 
PY  - 1994///
CY  - Illinois : 
PB  - Irwin, 
KW  - Database Management
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-256-13438-3.pdf
ER  -