N. S. PARIHAR <br/><br/>
AN INTRODUCTION TO EMBRYOLOGY: PTERIDOPHYTA  VOL II 

 - 5TH ED.1965  REPRINT 1969 
 - ALLAHABAD  CENTRAL BOOK DEPOT 
 -  331P.  21 CM. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY