TY - BOOK ED - United Nations Conference on Trade and Development TI - Handbook of world mineral trade statistics 1992-1997 SN - 92-012043-4 U1 - 553.029021 21st PY - 1999/// CY - New York PB - United Nations KW - Minerals-Statistics; International trade-Statistics N1 - UNCTAD/ITCD/COM/16 ER -