TY  - BOOK
AU  - Khopkar,S.M, x
AU  - x
TI  - Environmental pollution analysis: x
SN  - 8122404634
U1  - 571.95/K45e 
PY  - 1993///
CY  - New Delhi
PB  - New Age International
KW  - Environmental pollution
KW  - Pollution
N1  - Includes
ER  -