TY  - BOOK
AU  - Tripathi,A.K.
AU  - Pandey,S.N..
TI  - Water pollution / 
SN  - 8170242673
U1  - 363.7394 
PY  - 1995///
CY  - New Delhi : 
PB  - Ashish Publishing House , 
KW  - WATER-POLLUTION
N1  - NULL
ER  -