The encroaching desert :  the consequences of human failure : a report for the Independent commission on international humanitarian issues 

 - London :  Zed books,  1986 
 - 132 p. ;  20 cm. 
<br/><br/> Distributor from label on t.p 
<br/><br/><label>ISBN: </label>0862326338 (pbk.) :  PND 3.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification<br/>Arid regions agriculture
<br/><br/><label>Dewey Class. No.: </label>333.73