Practical application of the United Nations Framework Classification for Reserves/Resources (UNFC) to low-investment mineral deposits / submitted by the Government of Germany
1999
Files
详细记录
符号[E/ECE/]ENERGY/1999/8/Add.7
标题Practical application of the United Nations Framework Classification for Reserves/Resources (UNFC) to low-investment mineral deposits / submitted by the Government of Germany
日期Geneva : UN, 17 Sept. 1999
描述
9 p. : tables
备注
Prepared by Werner Gwosdz and Henry Tomas.