Biswas <br/><br/>
Gymnosperms 
Biswas, Johri 
 - New Delhi  N.B.D.(p) Ltd.  1999 
 - xxi,494 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>585  / BIS N9