Productivity in coal mines. International Labour Organisation. Coal mines committee, fourth session, Geneva, may 1951. Report III
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
International Labour Office,
1951.
Geneva : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/1D99B4F4-31F9-4F84-9B90-60357C7E4745 |
| Published: | 1951. |
|---|