TY  - GEN
AU  - Arora, D.K.
AU  - Diwan, A.P.
TI  - Elements of ecology
T2  - 6
SN  - 81-7488-115-8
U1  - 574.5 DIW 
CY  - New Delhi, Anmol Publications PVT LTD
KW  - Ecological niche/ population ecology/ geographical ecology/ evolutionary ecology
ER  -