Marshall, A J, ed. <br/><br/>
Textbook of zoology: Invertebrates 

 - 7th ed. 
 - London  English Language Book Society  1982 
 - xix, 874 p. 
<br/><br/><label>ISBN: </label> POU3.5 
<br/><br/><label>Dewey Class. No.: </label>592 M255T