Biological indicators of water quality  

 - Chichester:   John Wiley & Sons,   1979 
<br/><br/><label>ISBN: </label>0471275905 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Water quality 
<br/><br/><label>Universal Decimal Class. No.: </label>628.163(082.2)   / L9