Sharma, O.P. <br/><br/>
Gymnosperms 

 - 14th 
 - Meerut  : Pragati Prakashan,  2017 
 - xiv, 344p. 
<br/><br/><label>ISBN: </label>978-93-86633-11-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gymnosperms |<br/>Classification - Progymnosperms |<br/>Polyembryony in Gymnosperms
<br/><br/><label>Dewey Class. No.: </label>585  / Sh23G