Report of the Group of Experts on Opencast Mines, 4th session, 9-13 May 1983.
1983
Detalles de los registros
Signatura[E/ECE/]COAL/GE.5/8
TítuloReport of the Group of Experts on Opencast Mines, 4th session, 9-13 May 1983.
FechaGeneva : UN, 30 May 1983.
Descripción
7, [1], 2 p.