Ramann, E. <br/><br/>
The evolution and classification of soils / 
by E. Ramann ; translated by C. L. Whittles. 
 - Cambridge :  W. Heffer,  1928. 
 - xii, 127 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Classification.<br/>Soil science.
<br/><br/><label>Dewey Class. No.: </label> / 631.4