Markham, Rosemary June <br/><br/>
The behaviour and environmental requirements of orang-utans under long-term captive conditions  [microform] / 
Rosemary JuneMarkham 
 - (S.l. : s.n.)  1990 
 - 10 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) - The University of Western Australia, 1990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orangutan