TY  - BOOK
AU  - Sharma, B. K. 
TI  - Environmental chemistry / 
SN  - 8185842841
U1  - 577.14 SHA 
PY  - 2000///.
CY  - Meerut : 
PB  - Krishna Prakashan Media Pvt. Ltd., 
KW  - Environmental chemistry
KW  - Chemistry
ER  -