Aquatic and terrestrial humic materials 

 - Collingwood:   Ann Arbor Science Publishers,  1983 
 - xi, 538p 
<br/><br/><label>ISBN: </label>0-250-40550-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Christman, Russell F (Ed.)
<br/><br/><label>Universal Decimal Class. No.: </label>547.992.2(082.2)  / M3