Hegner, Robert W <br/><br/>
Invertebrate zoology 
Robert W.Hegner 
 - 2nd. 
 - New York:  Macmillan,  1968. 
 -  xviii, 619p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology<br/>Invertebrates
<br/><br/><label>Dewey Class. No.: </label>592  / HEI