United Nations International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities / finalized and submitted by the United Nations Task Force.
1997
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]ENERGY/WP.1/R.70
العنوانUnited Nations International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities / finalized and submitted by the United Nations Task Force.
يحتوي على
UN International Framework Classification for Reserves/Resources : Solid Fuels and Mineral Commodities
تاريخGeneva : UN, 17 Feb. 1997.
الوصف
23 p. : chart, tables
ملاحظات
Includes bibliographical references.