Parker,T.Jeffery. & Haswell,willwam.A. <br/><br/>
Text book of zoology Invertebrates 

 - London  Macmillan Publishing Company  1972 
 - xx,874  Hb 
<br/><br/><label>ISBN: </label>333 14105 5 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>591