Engemann, Joseph G <br/><br/>
Invertebrate zoology / 
Joseph G. Engemann, Robert W. Hegner. 
 - Third edition 
 - New York :  Collier Macmillan Publishers,  1981. 
 - xxi, 746 pages :  illustration ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>002333780X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL 362 E53 1981 CIRC