TY  - BOOK
AU  - Leon, Alexis
AU  - Leon, Mathews jt.au.
TI  - Database management systems
SN  - 9788182092228
U1  - 621.381952 
PY  - 1999///
CY  - Chennai
PB  - Leon Press
KW  - Data processing
KW  - Database management systems
ER  -