TY  - BOOK
AU  - DARA, S . S .
TI  - (A) TEXT BOOK OF ENVIRONMENTAL CHEMISTRY AND POLLUTION CONTROL / 
U1  - 363.7 
PY  - 1997///
CY  - X
PB  - X
KW  - CHEMISTRY - ENVIRONMENT
KW  - POLLUTION CONTROL
KW  - ENVIRONMENTAL POLLUTION
ER  -