Gosner, Kenneth L <br/><br/>
Guide to identification of marine and estuarine invertebrates 

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 - John Wiley  & Sons, New York  1971 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification-- systematics-- taxonomoy
<br/><br/><label>Dewey Class. No.: </label>578.012  GOS-G