TY  - GEN
AU  - Kumar, Arvind
TI  - Ecology and ethology of aquatic biota 
SN  - 8170352916
U1  - 591.77 
PY  - 2002///
CY  - Delhi
PB  - Daya Publishing House
KW  - Animal characteristic of specific environments, animal ecology
KW  - Natural history of animals
ER  -