Kumada, Kyōichi, <br/><br/>
Chemistry of soil organic matter / 

 - Tokyo :  Amsterdam ;  New York :  Japan Scientific Societies Press ;  Elsevier,  1987. 
 - xi, 241 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0444989366 (Elsevier) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus.<br/>Soils
<br/><br/><label>Dewey Class. No.: </label>631 ELS 1987 A106 Or.