Tiwari, R. S. <br/><br/>
Miospore Assemblage in Some Coals of Barakar Stage, Llower Gondwana, of India 

 - Ranchi :   The Catholic press,   1965. 
 - 168 p. :   il. ;   18 cm. 
<br/><br/> De: The Palaeobotanist, Vol.13, 2, 1964