TY  - BOOK
AU  - Sharma, B K
TI  - Environmental Chemistry
U1  - 577.14 
PY  - 2000///
CY  - Meerut
PB  - Krishna Prakashan Media
KW  - General stack
KW  - Ecology
KW  - Life sciences; biology
KW  - Natural sciences & mathematicsBotany
ER  -