TY  - BOOK
AU  - Kothari, D. P.
AU  - Singal, K. C.
AU  - Ranjan, Rakesh
TI  - Environmental science and engineering
SN  - 9788184875041
U1  - 620.8 
PY  - 2017///
CY  - New Delhi
PB  - Narosa Publishing House, 
N1  - Including index
ER  -