TY  - BOOK
AU  - Leon,, Alexis
AU  - Leon,, Mathews
TI  - Database Management Systems / 
U1  - 005.74 
PY  - 1999///
CY  - New Delhi
PB  - Leon Vikas
KW  - Computer science
KW  - Computer programming
KW  - Database architecture
KW  - Query languages
ER  -