Chopra, G L <br/><br/>
Gymnosperms / 
Chopra, G L 
 - 10 ed. 
 -  S Nagin & Company, Jullundur,  1965 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gymnospermae; Botany
<br/><br/><label>Dewey Class. No.: </label>585 CHO-G10