Birbal Sahni Institute of Palaeobotany <br/><br/>
Symposium on Morphological & Stratigraphical Palaeobotany  Pub No 2 

 -  B S I P, Lucknow 
 - pp 72,pls 5;   24*18 
<br/><br/><label>Dewey Class. No.: </label>I:8p2/N74/B14033