Sombroek, W.G.  <br/><br/>
Amazon soils: a reconnaissance of the soils of the Brazilian Amazon region  (Book) 

 - Wageningen  Centre for Agricultural Publications and Documentation  1966 
 - 300 p.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Brazil
<br/><br/><label>Universal Decimal Class. No.: </label>631.445.74(811) SOM  / 5179