Indian coals quality evaluation data 

 - Bihar:   Central Fuel Research Institute,   1982 
 - 459p.  
<br/><br/> Vol.8 (Tertiary coal and lignite fields)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Data 
<br/><br/><label>Universal Decimal Class. No.: </label>552.574(540)  / L9.8