Tiwari, s.k. <br/><br/>
Ore geology economic minerals and mineral economics 

 - New Delhi  Atlantic pub. & dist.  2014 
 - 380 
 -  1 .
<br/><br/><label>ISBN: </label>9788126914005 
<br/><br/><label>Dewey Class. No.: </label>553.1  / Tiw