Beaumont, Peter <br/><br/>
Environmental management and development in drylands  

 - London:   Routledge,   1989 
 - xix, 505p. 
<br/><br/><label>ISBN: </label>0-415-00457-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>502.3:631.61   / M9