UNESCO <br/><br/>
Plant-water relationship in arid and semi-arid conditions 

 -  1960 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>56243 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ecology<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:955:f.1.121, K0