Maple, Terry C <br/><br/>
Orang-utan behavior / 
Terry L. Maple. 
 - New York :  Van Nostrand Reinhold,  c1980. 
 - xii, 268 p. : ill. col. plates 
 - Van Nostrand Reinhold primate behavior and development series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orang-utan--Behavior<br/>Mammals--Behavior