Soil organic matter / 
edited by M. Schnitzer and S.U. Khan. 
 - Amsterdam :  Elsevier Science,  1978. 
 - xiii, 319 p. :  ill. ;  25 cm. 
 - Developments in soil science ;  08. .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0444416102  RM142.89 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil chemistry.<br/>Humus.