Programme of the 4th session, and the study tour : Group of Experts on Open-cast Mines.
1982
Полное описание
Условное обозначение[E/ECE/]COAL/GE.5/7/Add.3
ЗаглавиеProgramme of the 4th session, and the study tour : Group of Experts on Open-cast Mines.
ДатаGeneva : UN, 23 Dec. 1982.
Описание
2 p.