Current and future trends regarding the substitution of coal for other fuels : replies to the questionnaire / transmitted by the Government of Belgium.
1982
详细记录
符号[E/ECE/]COAL/GE.3/R.50/Rev.2/Add.2
标题Current and future trends regarding the substitution of coal for other fuels : replies to the questionnaire / transmitted by the Government of Belgium.
作者Belgium
日期Geneva : UN, 19 Mar. 1982.
描述
5 p. : tables