Morton, John,  1923. <br/><br/>
Molluscs / 
by J.E. Morton. 
 - 5th ed. 
 - London :  Hutchinson,  1979. 
 - 264 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p.237-254) and index. 
<br/><br/><label>ISBN: </label>0091341604 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mollusks.