TY  - GEN
AU  - Kothari, D P
AU  - Singal, K C
AU  - Ranjan, Rakesh
TI  - Environmental science and engineering
SN  - 9788184875041
U1  - 363.7 
PY  - 2017///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Environmental Science
KW  - Engineering
ER  -