Bányászat: szénbánya
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:ddbc1b76-e4e1-44f8-969c-4307b5d385b2 |
| Description not available. |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:ddbc1b76-e4e1-44f8-969c-4307b5d385b2 |
| Description not available. |