Proceeding on soils and tropical weathering 

 - Paris  1971 
 - 149p.  cm. 
 - Natural resource symposium; 11 .
<br/><br/><label>Standard No.: </label>51391 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:1p1,92,N69, L1