00347nam a2200121Ia 4500001001100000005001700011008004400028020001500072245004800087260003600135300000700171500004700178000001621520251012174745.0         1997    us                       c  a921112422000aHandbook of World Mineral Trade statistics   aNew YorkbUnited Nationsc1997   ap.  aLibrary has 1991,1992,1993,1994,1995,1996