TY  - BOOK
AU  - Tripathi,A.K.
AU  - Pandey,S.N.
TI  - Water pollution
SN  - 8170242673 :
U1  - 628.168 
PY  - 1990///
CY  - New Delhi
PB  - Ashish Pub. House
KW  - Algae
KW  - Water
KW  - Plant indicators
KW  - Water quality bioassay
ER  -