ORLOV, D. S. <br/><br/>
Humus Acids of Soils  

 - India  Balkema  1985 
 - 378 p. 
 - Russian Translations Series Nš 35  .
<br/><br/><label>ISBN: </label>90-6191-453-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HUMUS<br/>ACIDOS<br/>SUELOS
<br/><br/><label>Universal Decimal Class. No.: </label>631.4 ORL