Buol S W & others <br/><br/>
Soil genesis and classification 

 - 5th 
 - Iowa  Iowa State Press          2003 
 - xv,494p. Bib p. 399-481  cm. 
<br/><br/><label>ISBN: </label>1405120827 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Geography
<br/><br/><label>Dewey Class. No.: </label>U672(J:1), L3;P3