Jewell, Peter A. <br/><br/>
Play, exploration and territory in mammals: the proceedings of a symposium held at the Zoological Society of London on 19 and 20 November 1965 

 - London  Academic Press  1966 
 - iii, 280p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals
<br/><br/><label>LC Class. No.: </label>QL1.Z733