TY  - BOOK
AU  - Diwan, A. P.
AU  - Arora, D. K.
TI  - Ecology of freshwater organisms and insects
SN  - 81-7488-122-0
U1  - 574.5 
PY  - 1995///
CY  - New Delhi
PB  - Anmol Publications
N2  - Freshwater environments
ER  -