Mukherjee, Rabindra Nath <br/><br/>
Introduction to vascular cryptogams : pteridophyta 

 - Ludhiana  Kalyani Publishers  2009 
 - 362 
<br/><br/><label>ISBN: </label>81-272-5767-5 
<br/><br/><label>Dewey Class. No.: </label>587 M896I