Loeb, Stanford L <br/><br/>
Biological monitoring aquatic systems  

 - Boca Raton.   : Lewis Publishers.  1994. 
 - 381p.    : ill.    ; 25cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0873719107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality biological assessment<br/>Indicators ( Biology)<br/> Freshwater ecology
<br/><br/><label>LC Class. No.: </label>DASF QH96.8.B5