Varma, J. C. <br/><br/>
Coal-a:select bibliography / 
J. C. Varma 
 - New Delhi,   India.Ministry of Steel  1961 
 - xiv, 40p  ill;  26cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production Economics
<br/><br/><label>Dewey Class. No.: </label>338.272016  / IND