TY  - GEN
AU  - Purohit , S.S. 
AU  - Saxena , M.M.  
TI  - Water life and pollution
SN  - 818503141X
U1  - 363.7394 
PY  - 1990///
CY  - Bikaner
PB  - Agro Botanical
KW  - Water Pollution
ER  -