TY  - BOOK
AU  - Elton, Charles S.
TI  - The ecology of animals
T2  - Methuen's monographs on biological subjects
AV  - QL751 .E54 1950
U1  - 591.5 
PY  - 1950///
CY  - London, New York
PB  - Methuen, Wiley
KW  - Animal ecology
N1  - "References": p. 89-94
ER  -