Whitten, Tony (Anthony), 1953- <br/><br/>
The gibbons of Siberut / 
Tony Whitten ; foreword by Sir Peter Scott 
 - London :  Dent,  1982 
 - xii, 207 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0460044761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gibbons--Behaviour.<br/>Mammals--Behaviour.<br/>Mammals--Indonesia--Siberut Island.<br/>Social behavior in animals.