Vidyarthi , R.D . <br/><br/>
A Text Book of Zoology /  Textual Documents 
R.D Vidyarthi & P.N.Pandey. 
 - 15th ed / 
 - New Delhi :  S Chand & Co Ltd ,  2002. 
 - 932pg ;  23cm. 
<br/><br/><label>ISBN: </label>81-219-1704-2 
<br/><br/><label>Subjects--Index Terms: </label>Zoology G- Zoology 
<br/><br/><label>Dewey Class. No.: </label>591  / Pa 192 Zo