Activities of the national mining research institutes of ECE countries and exchange of scientific, technical and economic information relating to the coal industry / transmitted by the Government of the Federal Republic of Germany.
1982
Полное описание
Условное обозначение[E/ECE/]COAL/GE.4/R.16/Add.4
ЗаглавиеActivities of the national mining research institutes of ECE countries and exchange of scientific, technical and economic information relating to the coal industry / transmitted by the Government of the Federal Republic of Germany.
ДатаGeneva : UN, 10 Mar. 1982.
Описание
26, [4] p. : charts, tables