TY  - BOOK
AU  - Sharma, B K
TI  - Environmental chemistry
U1  - 363.7 S23E(15) 
PY  - 2015///
CY  - Meerut
PB  - Krishna Prakashan Media
N1  - 2474 30/11/2016 PBA17/1339 18/01/2017 Environment DIST FIST
ER  -