Nelson, Ridley,  1942- <br/><br/>
Dryland management :  the "desertification" problem/ 
Ridley Nelson 
 - Washington, D. C. :  The World Bank,  c1990 
 - vii,39p.;  28  cm. 
 - World Bank technical paper, ISSN 0253-7494  no.116 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0821314440(pbk)  $5.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification
<br/><br/><label>Dewey Class. No.: </label>333.736