Knudsen, Jens W <br/><br/>
Biological techniques: Collecting, preserving, and illustrating plants and animals 

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 - Harper & Row, New York  1966 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological Research
<br/><br/><label>Dewey Class. No.: </label>570.72  KNU-B