Smith, Anthony <br/><br/>
The great rift :  Africa's changing valley / 
Anthony Smith. 
 - New York :  Sterling Publ.Co., Inc.,  1989. 
 - 224 p. 
<br/><br/><label>ISBN: </label>0-8069-6906-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature--Africa