BARNES, Robert D. <br/><br/>
Invertebrate zoology 
/[by] Robert D.Barnes 
 - 3rd ed. 
 - Philadelphia  W.B.Saunders  1974 
 - xii, 870 p. 
<br/><br/> Includes bibliography & index.<br/> 
<br/><br/><label>ISBN: </label>721615627 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates
<br/><br/><label>Dewey Class. No.: </label>592  / BAR