TY  - BOOK
AU  - Ellis,P.E.
TI  - Social organisation of animal communities: the proceedingsof a symposium held on 26 and 27 november, 1963, at the offices of the zoological society of London : the symposium was organized / 
PY  - 1964///
CY  - London : 
PB  - published by the Society, 
ER  -