A history of land use in arid regions 

 - Paris :  UNESCO,  1961 
 - 388 p.  : ilus. 
 - Arid zone research  ; 17 .
 - Arid zone research  ; 17 .
<br/><br/><label>LCCN: </label>45871 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Historia.<br/>Agricultura--Regiones áridas.<br/>Regiones áridas.
<br/><br/><label>Dewey Class. No.: </label>631.0915  / U54