The coal situation in the ECE region in 1981 and its prospects / transmitted by the Government of German Democratic Republic.
1982
Полное описание
Условное обозначение[E/ECE/]COAL/R.83/Add.7
ЗаглавиеThe coal situation in the ECE region in 1981 and its prospects / transmitted by the Government of German Democratic Republic.
ДатаGeneva : UN, 8 Sept. 1982.
Описание
4 p.