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

 - New Delhi  New Age International  2020 
 - 470p. 
<br/><br/><label>ISBN: </label>97788122407921 
<br/><br/><label>Standard No.: </label>120996 
<br/><br/><label>Subjects--Index Terms: </label>BIOLOGY LIFE SCIENCE Pentoxylales Pteridospermales 
<br/><br/><label>Dewey Class. No.: </label>585  / BHA