TY  - BOOK
AU  - Vasishtha, A. R.
AU  - Vasishtha, Hemlata
AU  - Vasishtha, A. K.
TI  - Engineering mathematics
SN  - 8175566728
U1  - 510.02462 
PY  - 2004///
CY  - Meerut
PB  - Pragati Prakashan
ER  -