TY  - BOOK
AU  - Gupta C B
TI  - ENGINEERING MATHEMATICS-1
SN  - 9788122423976
AV  - 620.00151 GUC E 
U1  - 620.00151 GUC E 
PY  - 2008///
CY  - New delhi
PB  - New Age International
KW  - INDIA
ER  -