Swami Nath, J. and Ramakrishnan, M. <br/><br/>
Memoirs of the Geological survey of India, Volume 112 
Swami Nath, J. and Ramakrishnan, M. 
 - Bangalore  GSI  1981 
<br/><br/><label>Dewey Class. No.: </label>551.71  / NAT .E