Barth, Robert H; Broshears, Robert E <br/><br/>
Invertebrate world 

 -  Saunders College Publishing, London  1982 
 - 646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates; Zoology
<br/><br/><label>Dewey Class. No.: </label>592  BAR-I