INDIA.COAL BOARD <br/><br/>
Report of the Coal Washeries Committee 

 - Calcutta, 1954 
 - xv,226p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production Economics
<br/><br/><label>Dewey Class. No.: </label>338.4766262  / IND.R