Barnes, Robert D. <br/><br/>
Invertebrate Zoology / 
Robert D. Barnes 
 - 3d ed. 
 - Philadelphia,  Saunders,  1974. 
 - 870 p.  ill 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0721615627 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL362  / B27