Kaplan, Gisela. <br/><br/>
The orang-utans 
Gisela Kaplan & Lesley J. Rogers 
 - St. Leonards  Allen & Unwin  1999 
 - 185 p., [8] p. of plates  ill. (some col.)  22cm. 
<br/><br/> Include index 
<br/><br/>Bibliography: p. [166]-178 
<br/><br/><label>ISBN: </label>1865081248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orangutan--Sabah