Play, exploration and territory in mammals : the proceedings of a symposium held at the Zoological Society of London on 19th and 20th November 1965 - Symposium of the Zoological Society, 1965 : London); Jewell, P. A. (Peter Arundel); Loizos, Caroline; Zoological Society of London (New York : Academic Press, 1966)
Keywords: Play behavior in animals; Mammals -- Home range; Mammals -- Territoriality; Mammals -- Behavior