Grainger Alan <br/><br/>
Threatening desert   Controlling desertification    

 - London  Earthscan Publications U K         1990 
 - xiv,369p  cm. 
<br/><br/> Bib p. 331-56 Appendix p. 322-30 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology
<br/><br/><label>Dewey Class. No.: </label>U214, N0