KOTPAL, R L <br/><br/>
A Text Book Of Minor Phyla 

 - 11st Ed.  Reprint 
 -  Rastogi Publishers ,  1990 
 - 268p 
<br/><br/> Series No. 9 
<br/><br/><label>ISBN: </label>81-7133-089-4 
<br/><br/><label>Dewey Class. No.: </label>593  / KOT/A