Emerson, Paul. <br/><br/>
Principles of soil technology 

 - New York :  McMillan,  1936 (c.1930) 
 - 402 p.  : ilus. 
<br/><br/><label>LCCN: </label>40520 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos.
<br/><br/><label>Dewey Class. No.: </label>631.4  / E54