TY  - BOOK
AU  - Purohit, S.S.
ED  - Agrawal, Ashok K.
TI  - Environmental pollution : causes, effects & control
SN  - 817754201x
U1  - 363.73	 
PY  - 2006///
CY  - Jodhpur
PB  - Agrobios India
ER  -