Florkin, Marcel <br/><br/>
Chemical zoology, Vol.4  Annelida, Ethiura and Sipuncula 

 - New York  Academic Press  1969 
 - xvi,548 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>591.192  / CHE