TY  - BOOK
AU  - Khopkar, S. M
TI  - Environmental pollution: monitoring and control
SN  - 8122415075
AV  - QH 541.15.M64 KHO 
PY  - 2004///
CY  - New Delhi
PB  - New Age International
KW  - ENVIRONMENTAL MONITORING
KW  - ECOLOGY
ER  -