Perception of desertification / 
edited by R.L. Heathcote. 
 - Tokyo, Japan :  United Nations University,  c1980. 
 - 134 p. :  ill. ;  28 cm. 
<br/><br/> "NRTS-10/UNUP-190." 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>9280801902 
<br/><br/><label>LCCN: </label>84196091  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification.<br/>Geographical perception.
<br/><br/><label>LC Class. No.: </label>GB612  / .P47 1980 
<br/><br/><label>Dewey Class. No.: </label>551.4  / PER 1980