Hyman, Libbie Henrietta . <br/><br/>
The Invertebrates:Platyhelminthes and Rhynchocoela The acoelomate Bilateria Vol II /  Textual Documents 
Libbie Henrietta Hyman. 
 - Ist ed / 
 - New York :  McGraw - Hill book company ,  1951. 
 - 550p :  index ;  23cm . 
<br/><br/><label>Subjects--Index Terms: </label>Zoology-Invertibrates T/G-Zoology 
<br/><br/><label>Dewey Class. No.: </label>592  / H 997 In