Roy, S.K. <br/><br/>
B.Sc. Botany (Bryophyta, Pteridophyta and Gymnosperms)  Vol. 2 
/ by S.K. Roy 
 - 5th ed. 
 - Meerut :  Rastogi Publications,  1968 
 - 142 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>580  / ROY-B5.2