Williams C N <br/><br/>
Climate, soil and crop production in the humia tropics 

 -  1970 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>52951 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:18, L0