TY  - BOOK
AU  - Khopkar, S. M.
TI  - Environmental pollution analysis
SN  - 9788122427479
AV  - TD193.K46 2011 
PY  - 2011///
CY  - New Delhi.
PB  - New  Age publishers
KW  - Pollution- measurement
N1  - Includes  References and index
ER  -