Wetzel, Robert G <br/><br/>
Limnology 

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 - W B Saunders Co., Philadelphia  1975 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecology-- Fresh water ecology-- Pond ecology-- Limnology
<br/><br/><label>Dewey Class. No.: </label>577.6  WET-L