The biology of hydra and of some other coelenterates  1961 
edited by Howard M. Lenhoff and W. Farnsworth Loomis 
 - Coral Gables, Fla.  University of Miami Press  1961 
 - 467 p. : ill. ; 23 cm. 
<br/><br/><label>LCCN: </label>61-18157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coelenterata--Congresses<br/>Hydra