Barnes, Robert D. <br/><br/>
Invertebrate zoology / 
Robert D. Barnes. 
 - 3rd ed. 
 - Philadelphia :  Saunders,  1974. 
 - xii, 870 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0721615619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>Dewey Class. No.: </label>592