TY  - BOOK
AU  - Sharma, B.K.
AU  - Sharma, B.K.
TI  - Environmental chemistry
SN  - 8182830125
AV  - 577.14 SHA 2005 
U1  - 577.14 SHA 2005 
PY  - 2005///
CY  - Meerut
PB  - Goel Publishing
KW  - CHEMISTRY
ER  -