Stevenson, Frank J. <br/><br/>
Humus chemistry  : genesis, composition, reactions 

 - New York :  Wiley,  1982 
 - 443 p. 
<br/><br/><label>LCCN: </label>57936 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus.<br/>Suelos--Composición.<br/>Suelos--Química de.
<br/><br/><label>Dewey Class. No.: </label>631.41  / S8