TY  - BOOK
AU  - Macfadyen,Amyan
TI  - Animal ecology: aims and methods 
T2  - Zoology series
U1  - 591.5 
PY  - 1957///
CY  - London
PB  - Isaac Pitman & Sons
KW  - DINAMICA DE POBLACION
KW  - ECOLOGIA ANIMAL
ER  -