Birbal Sahni Institute of Palaeobotany <br/><br/>
Symposium on Floristics & Stratigraphy of Gondwanaland 

 -  B S I, Lucknow 
 - pp 154;   24*18 
<br/><br/><label>Dewey Class. No.: </label>I:8p2,N64/N66/B13969