Symposium on morphological and stratigraphical palaeobotany  
/ Birbal Sahni Insitutute of Palaeobotany  
 - Ranchi:   Birbal Sahni Insitutute of Palaeobotany,   1974 
 - 72p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleobotany 
<br/><br/><label>Universal Decimal Class. No.: </label>I 561(082.2)  / L4