Govett, G J S <br/><br/>
World mineral supplies:  Assessment and perspectives 

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 - Amsterdam  Elsevier  1976 
 - xx, 472p.   
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<br/><br/><label>Subjects--Index Terms: </label>Economic geology  Minerals  Ores  stones 
<br/><br/><label>Dewey Class. No.: </label>553