Bhatnagar, S P., <br/><br/>
Gymnosperms. 

 - 1st ed. 
 - New Delhi. :  New Age International,   1996. 
 - vi ; 470 p.  PAPER BACK  24cm. 
<br/><br/>Contents 
<br/><br/> Gymnosperms 
<br/><br/><label>ISBN: </label>9788122407921 
<br/><br/><label>Dewey Class. No.: </label>580  / BHA.