TY  - BOOK
AU  - Trivedi,P.R..
AU  - Raj,Gurdeep
TI  - Water pollution / 
T2  - Encyclopaedia of environmental science series, 
SN  - 8171582796
U1  - 363.7394 
PY  - 1997///
CY  - New Delhi : 
PB  - Akashdeep Publishing House , 
KW  - WATER-POLLUTION
KW  - POLLUTION
N1  - NULL
ER  -