TY  - BOOK
AU  - Purohit, S. S. and Saxena, M. M.
TI  - Water, Life and pollution
SN  - 818503141x
U1  - 363.7394 
PY  - 1990///
CY  - Bikaner
PB  - ; Agro Botanical Publishers
KW  - Pollution
KW  - Water Pollution
ER  -