Kotpal, R. L. <br/><br/>
Modern text book of zoology invertebrates  

 - 2nd. ed. 
 - India  Rastogi Publication  1974 
 - 583 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates 
<br/><br/><label>Dewey Class. No.: </label>890  / K848m 1974