TY  - BOOK
AU  - Purohit, S. S.
AU  - Agrawal,Ashok K.
TI  - Environmental pollution: causes, effects and control 
SN  - 817754201X
PY  - 2004///
CY  - Jodhpur, India
PB  - AGROBIOS
KW  - Pollution
KW  - Environmental aspects
N1  - Includes index
ER  -