MARSHALL, A J. <br/><br/>
Textbook of Zoology Invertebrates. 

 - Hong Kong.  MaCmillan Press.  1972 
 - xix, 874p. 
<br/><br/><label>ISBN: </label>0 333 17868 8 
<br/><br/><label>Dewey Class. No.: </label>591