TY  - BOOK
AU  - RAO,K.S.
TI  - RECENT ADVANCES IN FRESH-WATER BIOLOGY / 
U1  - 575.929 
PY  - 1993///
CY  - [S.N] : 
PB  - ANIMAL PUBLICATIONS PVT LTD ، 
KW  - ENVIRONMENT
KW  - ECOLOGY
KW  - BIOLOGY
KW  - WATER
KW  - POLLUTION
ER  -