TY  - BOOK
AU  - Purohit,S.S., Agrawal, Ashok K
AU  - x
TI  - Environmental pollution: causes, effects and control
SN  - 817754201
U1  - 628.5/P985e 
PY  - 2004///
CY  - Jodhpur
PB  - Agrobios
KW  - Pollution
KW  - Environmental science
N1  - Includes
ER  -