Biswas C. <br/><br/>
Gymnosperms 

 - 1st 
 - Narosa Pub. Delhi  1997 
 - 494p.  Paper 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>581  / BIS