RASHID,A <br/><br/>
An Introduction To Rteridophyta 

 - 2nd Ed.  Reprint 
 -  Vikas Publishing House Pvt. Ltd. 576 , Masjid Road,Jangpura  2004 
 - 426p 
<br/><br/><label>Dewey Class. No.: </label>587  / RAS/A