Comber, Norman Mederson. <br/><br/>
An introduction to the scientific study of the soil 

 - 3 ed. 
 - London :  E. Arnold,  1946 (c.1936) 
 - 206 p.  : ILUS. 
<br/><br/><label>LCCN: </label>22381 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos.
<br/><br/><label>Dewey Class. No.: </label>631.4  / C62