DREGNE, Harold E. <br/><br/>
Arid lands in transition 

 - America  American Association for the advancement of science Washington, D.C.  1970 
 - 524 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TIERRAS<br/>ZONAS ARIDAS<br/>TRANSICION
<br/><br/><label>Universal Decimal Class. No.: </label>630.1 DRE