Hyman, Libbie Henrietta <br/><br/>
Invertebrates, Vol.5: Smaller coelomate groups chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria 

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 - McGraw-Hill Book Co., New York  1959 
 - 783 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates-- Zoology
<br/><br/><label>Dewey Class. No.: </label>R  592  HYM-I.5