Elephants, economics and Ivory / 
Edward B. Barbier... [et al.] 
 - London :  Earthscan Publication,  1990. 
 - xiii, 154 p. :  ill. ;   21 cm. 
<br/><br/><label>ISBN: </label>1853830739 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>African Elephants.