Chopra, G.L. <br/><br/>
Gymnosperms 
/ by G.L. Chopra 
 - 15th ed. 
 - New Delhi :  S. Nagin and Company,  1975 
 - V, 208 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Gymnosperms
<br/><br/><label>Dewey Class. No.: </label>585  / CHO-G15