Grainger, Alan <br/><br/>
Threatening desert  controlling desertification 

 - London  Earthscan publications ltd.  1990 
 - xiv,369p.; 22cm. 
<br/><br/><label>ISBN: </label>1853830410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desert conservation<br/>Desertification<br/>Farm forestry<br/>Land resources<br/>Natural resources<br/>Soil conservation