United Nations International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities.
1997
详细记录
符号E/ECE/DEC/C(52)
标题United Nations International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities.
日期1997
备注
Adopted at the 6th meeting, 24 Apr. 1997.
In: Economic Commission for Europe : annual report, 20 April 1996-24 April 1997. - E/1997/36-E/ECE/1355. - 1997. - p. 13.
In: Economic Commission for Europe : annual report, 20 April 1996-24 April 1997. - E/1997/36-E/ECE/1355. - 1997. - p. 13.