United Nations International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities : executive summary / finalized and submitted by the United Nations Task Force.
1997
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]ENERGY/WP.1/R.70/Add.1
العنوانUnited Nations International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities : executive summary / finalized and submitted by the United Nations Task Force.
تاريخGeneva : UN, 17 Feb. 1997.
الوصف
9 p. : charts, tables