Trends in research and in the application of science and technology for arid zone development 

 - Paris  Unisco France       
 - 54p.  cm. 
 - MAB technical notes 10 .
<br/><br/><label>Standard No.: </label>249026 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U28(F), L9