TY  - BOOK
AU  - Khopkar, S.M.
TI  - Environmental pollution analysis
SN  - 8122404634
U1  - 363.7392 
PY  - 1994///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Pollution - Environmental Aspects
KW  - Environmetal Pollution
ER  -