Biswas, Chhaya. <br/><br/>
The gymnosperms /  
Chhaya Biswas and B.M. Johri. 
 - New Delhi :   Narosa Publishing House ,   1997. 
 - xxi,494p. :   ill. ;   26cm .  
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<br/><br/><label>ISBN: </label>8173190801  RS.495.00 
<br/><br/><label>Subjects--Index Terms: </label>GYMNOSPERMS 
<br/><br/><label>Dewey Class. No.: </label>585  / BIS/G