Virnave, S. N. <br/><br/>
Economic Evaluation of Rare and Strategic Mineral Resources 
/by S. N. Virnave  
 - Delhi:  New Academic Publishers  2003. 
<br/><br/><label>ISBN: </label>9788186772119 
<br/><br/><label>Dewey Class. No.: </label>553.4  / VIR/E