TY  - BOOK
AU  - Singh Ravish .R
TI  - Engineering mathematics
SN  - 9780070146150
AV  - 620.00151 SIR E 
U1  - 620.00151 SIR E 
PY  - 2010///
CY  - New delhi
PB  - Tata McGraw -hill
KW  - INDIA
ER  -