Verma , D. N. <br/><br/>
Economic Geology 
/ by D.N. Verma 
 - 1st ed. 
 - New Delhi:   Centrum Press,   2014. 
 - vii, 312p. 
<br/><br/><label>ISBN: </label>9.7893508438e+012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal Industry<br/>Earth Science<br/>Geology<br/>Ore
<br/><br/><label>Dewey Class. No.: </label>553  / VER/ E