Handbook of world mineral trade statistics /  
United Nations Confe rence on Trade and Development. 
 - New York  :    United Nations,    1999- 
 - v.  ;    30 cm. 
 - Annual 
 - 1999 - 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mineral industries -- Statistics -- Periodicals.