Vasishta, P. C. Etc <br/><br/>
Gymnosperms / 

 - Rev. 
 - New Delhi :  S Chand ,  2006. 
 - xii+580 
<br/><br/><label>ISBN: </label>8121926181 
<br/><br/><label>Subjects--Index Terms: </label>Botany Gymnosperms