Hessen, D. O <br/><br/>
Aquatic humic substances : ecology and biogeochemistry 

 - New York:  Springer,  1998 
 - xiv, 346 p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>9783540639107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater ecology
<br/><br/><label>Dewey Class. No.: </label>577.6 HES