Narasimhan, Kotur S. <br/><br/>
Gondwana coals of India / 
Kotur S. Narasimhan and A. K. Mukherjee 
 - New Delhi :  Allied Publishers ,  1999 
 - 76 p.;  25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal washing--India<br/>Coal preparation
<br/><br/><label>Dewey Class. No.: </label>662.72