Muller, Werner E G <br/><br/>
Sponges (Porifera) 

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 - Springer-Verlag, Berlin  2003 
 - 258 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Porifera (Sponges)- Zoology
<br/><br/><label>Dewey Class. No.: </label>593.4  MUL-S