TY  - BOOK
AU  - Mohan,I., -
AU  - -
TI  - Environmental pollution and management: -
SN  - 8170242428
U1  - 304.25/M697e 
PY  - 1989///
CY  - New Delhi
PB  - Ashish Pub
KW  - Environment-Pollution
N1  - -
ER  -