Vashishta P.C. <br/><br/>
Gymnosperms 

 - 2 Ed. 
 - NEW DELHI  S. Chand & Co.  2023 
 - 580p 
<br/><br/><label>ISBN: </label>978-81-219-2618-8 
<br/><br/><label>Dewey Class. No.: </label>585/VAS