Vasishta, P. C. <br/><br/>
Pteridophyta 

 - 5th /   2003. 
 - New Delhi:  S. Chand & Co. Ltd.,  2003. 
 - 509p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Botany., Pteridophyta. 
<br/><br/><label>Dewey Class. No.: </label>587