Spellman, Frank R., <br/><br/>
Stream Ecology and Self Purification : 

 -  CRC Press,  2001. 
 - 261 pages 
<br/><br/><label>ISBN: </label>9781587160868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology & Engineering.
<br/><br/><label>Dewey Class. No.: </label>577.64  / SPE