Soils and Tropical Weathering 

 - UNESCO  Paris  1971 
 - 149p.  ILL.,Cht.,Fig and Table 
 - Natural Resources Research   XI .
<br/><br/><label>Nat. Bib. No.: </label>3474 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.44  / SOI