TY  - BOOK
AU  - N,Basak N.
TI  - Environmental engineering
SN  - 0070494630 (paperback)
PY  - 2003///
CY  - [S.l.]
PB  - Tata Mcgraw Hill
UR  - http://www.amazon.com/exec/obidos/ASIN/0070494630/chopaconline-20
ER  -