Report : Economic Commission for Europe, Committee on Energy, Working Party on Coal, Meeting of Experts on Research, Management and Transition in the Coal Industry, 23rd session, 29 September-1 October 1993.
1993
详细记录
符号[E/ECE/]ENERGY/WP.1/GE.1/5
标题Report : Economic Commission for Europe, Committee on Energy, Working Party on Coal, Meeting of Experts on Research, Management and Transition in the Coal Industry, 23rd session, 29 September-1 October 1993.
日期Geneva : UN, 6 Oct. 1993.
描述
9 p.