Libbie Henrietta Hyman <br/><br/>
Invertebrates Vol.2: Platyhelminthes and rhynchocoela the acoelomate bilateria 

 - New York  McGraw-Hill Book  1951 
 - 550p. 
 - McGraw Hill Publications in the zoological sicence .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>592  HYM-I.2