HALL, A. E. <br/><br/>
Agriculture in Semi- Arid Environments 

 - Berlin  Springer Verlag  1979 
 - 340 p. 
 - Ecological Studies 34 .
<br/><br/> 47 Figuras 
<br/><br/><label>ISBN: </label>3-540-09414-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURA<br/>AMBIENTE<br/>ECOSISTEMAS SEMIARIDOS
<br/><br/><label>Universal Decimal Class. No.: </label>551.2 HAL