Lawrence, John <br/><br/>
Functional biology of echinoderms 

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 - Croom Helm, London  1987 
 - 340 
 - .
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinodermata-- Hemichordate
<br/><br/><label>Dewey Class. No.: </label>593.9  LAW-F