Sharma, O P <br/><br/>
Gymnosperms / 
O P Sharma ; Shivani Dixit 
 - 6th Ed. 
 - Meerut:  Pragathi  Prakashan,  2004. 
 - 344p 
<br/><br/><label>ISBN: </label>9788183984058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>585  / SHA/G