Mabbutt, J. A. <br/><br/>
Social and environmental aspects of desertification  : proceedings of an inter-congress meeting of the International Geographical Union... 

 - Tokyo :  United Nations University,  1980 
 - 40 p.  ; mapas 
 - NRTS, 5/UNUP  ; 127 .
 - NRTS, 5/UNUP  ; 127 .
<br/><br/><label>LCCN: </label>27828 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desiertos.<br/>Erosión.