Barnes, Robert D. <br/><br/>
Invertebrates zoology 

 - Philadelphia  W. B. Saunders Company  1968 
 - x, 743p.  27cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates
<br/><br/><label>LC Class. No.: </label>QL362.B27