Soil organic matter / 
Ed. by m. schnitzer, and s. u. khan 
 - 319 páginas 
 - Developments in soil science ;  8 .
<br/><br/><label>ISBN: </label>0444416102  (v. 8) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus
<br/><br/><label>LC Class. No.: </label>S598  / S64