Selected Papers in Soil Formation and Classification 

 - Soil Science Society of America, Inc  U.S.A.  1967 
 - 428p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>3109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.44  / SEL