Symposia of the Fourth International Congress of Primatology, Portland, Ore., August 15-18, 1972 / 
editor, Emil W. Menzel 
 - Basel :  S. Karger,  1972 
 - v. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>3805514948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primates--Behavior--Congresses<br/>Social behavior in animals--Congresses