TY  - BOOK
AU  - Rao,K.S., x
AU  - x
TI  - Recent advances in fress water biology: x
SN  - 8170417538(Set)
U1  - 574.929/R215r 
PY  - 1997///
CY  - New Delhi
PB  - Anmol Pub.
KW  - Fress water biology
N1  - x
ER  -