Beck, Richard  . <br/><br/>
Nature  of ore deposits /  
by Richard Beck. 
 - New Delhi :   SBW publishers ,   1994 
 - 2 vols :  
<br/><br/><label>ISBN: </label>81-857048-05-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining
<br/><br/><label>Dewey Class. No.: </label>H  / N4.2