Buchsbaum, Ralph...[et al] <br/><br/>
Animals without backbones 

 - 3rd ed. 
 -  University of Chicago  1987 
 - x, 572p. 
<br/><br/><label>ISBN: </label>0-226-07874-4  2,051.10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>592  / BUC