TY  - BOOK
AU  - Purohit, S.S. 
AU  -  Agrawal, Ashok K.
TI  - Environmental pollution: causes, effects and control
SN  - 81-7754-201-X
U1  - 363.73 
PY  - 2006///
CY  - Vidhyanagar
PB  - Agrobios
ER  -