Tan, Kim H <br/><br/>
Humic matter in soil and the environment : principles and controversies 
Kim H. Tan 
 - New York  Marcel Dekker  c2003 
 - xiii, 386 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 317-355) and index 
<br/><br/><label>ISBN: </label>9780824742720 
<br/><br/><label>ISSN: </label>2004270108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus - Environmental aspects<br/>Soils - Humic acid content
<br/><br/><label>Dewey Class. No.: </label>631.417 TAN