World mineral statistics 1982-86:    Production: exports: imports  
/ British Geological Survey 
 - Nottingham:   Keyworth,   1988 
 - iv, 366p. 
<br/><br/><label>ISBN: </label>085272103X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>553(083.4)   / L8