United Nations Environment Programme (UNEP) <br/><br/>
World atlas of desertification 

 - London  Edward Arnold  1992 
 - ix, 69p  4x< 
<br/><br/><label>Subjects--Topical Terms: </label><br/>U:1911f
<br/><br/><label>Dewey Class. No.: </label>U:1911f  / M2