World mineral production 1988-92  production, exports, imports 
comp. Lofty, G.J. [et. al.] 
 - Keyworth, Nottingham  British Geological Survey  1994 
 - v, 274 p  30 cm 
<br/><br/><label>ISBN: </label>0852722400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>mineral<br/>producción<br/>estadística
<br/><br/><label>Universal Decimal Class. No.: </label>338:622