Other issues : standardization of definitions and terminology ; report of the Group of Experts. The international classification of mineral resources : Report of the Group of Experts on Definitions and Terminology for Mineral Resources.
1979
Files
详细记录
符号E/C.7/104
标题Other issues : standardization of definitions and terminology ; report of the Group of Experts. The international classification of mineral resources : Report of the Group of Experts on Definitions and Terminology for Mineral Resources.
其它标题
Group of Experts on Definitions and Terminology for Mineral Resources, New York, 1979. Report recommending international classification system
获取English: E_C-7_104-EN - PDF ;
日期New York : UN, 23 Mar. 1979.
描述
28 p., including annex.