HYMAN, Libbie Henrietta <br/><br/>
INVERTEBRATES, Volume VI : MOLLUSCA, Part I : ALACOPHORA, POLYPLACOPHORA, MONOPLACOPHORA, GASTROPODA, THE COELOMATE BILATERIA 

 - New York  McGraw-Hill Book Company Inc., New York   1967 
<br/><br/><label>Dewey Class. No.: </label>594  / HYM/IN