Mechanisation in the coal mining industry and its consequences : third item on the agenda.
Mechanisation in the coal mining industry and its consequences : third item on the agenda.
- Geneva : International Labour Office, 1970.
- iv, 72 p. ; 23 cm.
A head of Title: International Labour Organisation, Coal Mines Commi ttee, ninth session Geneva, 1970. Report III.
Coal mines and mining.
A head of Title: International Labour Organisation, Coal Mines Commi ttee, ninth session Geneva, 1970. Report III.
Coal mines and mining.