Kotpal, R. L.  <br/><br/>
Annelida 

 - 10th 
 - Meerut  Rastogi Publishers  1980 
 - 238 
 - Zoology Phylum- 5 .
<br/><br/> With bibliography & illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates<br/>Worms<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>594.15  / K848a