Grainger, Alan. <br/><br/>
The Threatening desert :  controlling desertification. 

 - London :  Earthscan Publications,  1990. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1853830410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification.