Paylore, Patricia. <br/><br/>
Desertification  : process, problems, perspectives 

 - Tuckson :  University of Arizona,  1976 
 - 125 p. 
 - Arid/Semi arid natural resources program .
 - Arid/Semi arid natural resources program .
<br/><br/><label>LCCN: </label>38224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desiertos.<br/>Erosión.<br/>Regiones áridas.
<br/><br/><label>Dewey Class. No.: </label>631.455  / P3