TY  - BOOK
AU  - Elton,Charles S.
TI  - Animal ecology: aims and methods 
SN  - 0412200805
PY  - 1966///
CY  - London
PB  - Methuen & Co. Ltd.
KW  - Animal ecology
N1  - First published in 1927; Bibliography: p. 192-199
ER  -