Boell, E.J.  . <br/><br/>
Invertebrates: acanthocephala, aschel minthes, and entoprocta the pseudocoelomate bilateria /  
edited by E.J. Boell. 
 - New York :   McGraw-Hill Book Company, ,   1951 
 - vol 3 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology- Invertebrates
<br/><br/><label>Dewey Class. No.: </label>K1  / J1.3