Bergquist, Patricia R. <br/><br/>
Sponges 
Patricia R. Bergquist 
 - London  Hutchinson  1978 
 - 268 p. :  ill. ;  22 cm. 
<br/><br/>p. 245-256 
<br/><br/><label>ISBN: </label>0091318203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sponges