Leppard, Gary G <br/><br/>
Trace element specification in surface waters and its ecological implications 

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 - New York  Plenum  1983 
 - xii,320p.   
<br/><br/>  Conference: NATO Advanced research workshop program on trace element specifications...: 1 981: Nervi(Genoa) 
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<br/><br/><label>Subjects--Index Terms: </label>Hydrology  Hydrography  Surface waters  Ecology  Environment  Biology 
<br/><br/><label>Dewey Class. No.: </label>551.48