Parihar, N S <br/><br/>
Pteridophytes, Vol.2 

 -  Central Book Depot, Delhi  1965 
 - 330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta; Botany
<br/><br/><label>Dewey Class. No.: </label>587  PAR-P.2