Hockensmith Roy D Ed. <br/><br/>
Papers on water and agriculture 

 - Washington  American Association for the advancement of science     1958 
 - viii, 198p.  cm. 
<br/><br/><label>Standard No.: </label>56604 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:9555p1,N58, K0