George, J, David <br/><br/>
Marine life : An Illustrated encyclopedia of invertebrates in the sea 

 - New york  John wiley & sons   1979 
 - 288p., ill.,  29 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Porifera <br/>Mollusca <br/>Nematoda
<br/><br/><label>Universal Decimal Class. No.: </label>592(26)(3)  / GEO