Burton, Maurice <br/><br/>
The animal world  an encyclopedia of animal behaviour 
Maurice Burton, Robert Burton 
 - London  Macmillan  1979 
 - 316 p.  25 cm. 
<br/><br/><label>ISBN: </label>0333270495 
<br/><br/><label>Dewey Class. No.: </label>591.5  / BUR