Birkeland P W <br/><br/>
Pedology, weathering and geomorpholocal research 

 - London  Oxford University Press         1974 
 - xiii,209p.  cm. 
<br/><br/><label>Standard No.: </label>51941 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:10aU21, L4