Case studies on desertification / 
prepared by Unesco/UNEP/UNDP ; edited by J.A. Mabbutt and C. Floret. 
 - Paris :  Unesco,  1980. 
 - 279p. :  ill., maps ;  30 cm. 
 - Natural resources research ;  XVIII .
 - Natural resources research ;  XVIII .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification--Case studies.