TY  - BOOK
AU  - 
AU  - 
TI  - Environmental pollution and management
U1  - 614.7:65 
PY  - 1989///
CY  - New Delhi
PB  - Ashish
KW  - Environmental pollution
KW  - Pollution control
KW  - Pollution control industry
KW  - Pollution
KW  - Environmental management
ER  -