Mason, C. F.  4  0   <br/><br/>
Biology of freshwater pollution /        6 
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C.F. Mason. 
 - 3rd ed.   
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 - xii, 356 p. :  ill., maps.       
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<br/><br/>   Previous ed.: 1991.;Includes index. 
<br/><br/>Bibliography: p. 296-341. 
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<br/><br/><label>ISBN: </label>0582247322 (pbk) :  ℗Đ18.99 : Formerly CIP 
<br/><br/><label>ISSN: </label>2 
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<br/><br/><label>Standard No.: </label>        
<br/><br/><label>Publisher. No.: </label>  
<br/><br/><label>Source: </label>        
<br/><br/><label>LCCN: </label>gb 96006630 
<br/><br/><label>Nat. Bib. No.: </label>GB96-6630  2 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>    
<br/><br/><label>Subjects--Personal Names: </label><br/>     2     --0------
<br/><br/><label>Subjects--Corporate Names: </label><br/>     6 --0-- 2 --------
<br/><br/><label>Subjects--Meeting Names: </label><br/><br/> 0    2 --
<br/><br/><label>Subjects--Uniform Titles: </label><br/>  --20------
<br/><br/><label>Subjects--Chronological Terms: </label><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology;Water    ----Pollution--Great Britain.;Great Britain.--20--
<br/><br/><label>Subjects--Geographic Terms: </label><br/>--------20--
<br/><br/><label>Subjects--Index Terms: </label>Water;Pollution.;Great Britain. 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>----2
<br/><br/><label>LC Class. No.: </label> / 2 
<br/><br/><label>Dewey Class. No.: </label>628.168  / 220 
<br/><br/><label>National Agricultural Library Call No.: </label>QH545.W3M37  / 1996 
<br/><br/><label>National Library of Medicine Call No.: </label> /  
<br/><br/><label>Gov. Doc. Class. No.: </label>