TY  - BOOK
AU  - Mahajan S P
TI  - Air pollution control
T2  - Environmental Engineering Series
SN  - 9788179931868
U1  - U:(G558):(L:5), P6 
PY  - 2006///
CY  -  New Delhi 
PB  - TERI Press        
KW  - Geography
ER  -