Pratibha Saxena. <br/><br/>
Textbook of pteridophyta 

 - New Delhi  Wisdom Press  2012 
 - 295p. 
<br/><br/><label>ISBN: </label> RS 995.00 
<br/><br/><label>Source: </label> RS 995.00 
<br/><br/><label>Dewey Class. No.: </label>587 PRA