PANDEY, S.N. <br/><br/>
COLLEGE BOTANY, Volume II : INCLUDING PTERIDOPHYTA, GYMNOSPERMS AND PALEOBOTANY 

 - 7th Ed. 
 - New Delhi  S.Chand and Company Ltd., New Delhi   1994 
<br/><br/><label>ISBN: </label>81 219 0601 6 
<br/><br/><label>Dewey Class. No.: </label>580  / PAN/C