TY  - BOOK
AU  - Macfadyen A
TI  - Animal ecology:Aims and methods
T2  - Zoology Series
U1  - K:5, J7 
PY  - 1957///
CY  - London       
PB  - Aims and Methods 
KW  -  Ecology
KW  - Zoology
N1  - Includes references
ER  -