Dr.P.C.Vasishta <br/><br/>
Pteridophyta / 
Dr.P.C.Vasishta 
 -  S.Chand&Co. New Delhi 
 - 628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>587  / VASB