Silva, Benedito Nelson Rodrigues <br/><br/>
Soils of the eastern amazon region 

<br/><br/>bibliogr. p. 41 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carte pédologie<br/>Pédologie<br/>Sol<br/>Classification
<br/><br/><label>Subjects--Index Terms: </label>Brésil