Bányászat: Szénbányászat: Tordasi Szénbányák
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:50685c4b-dff1-4028-a534-c43357a4dedf |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:50685c4b-dff1-4028-a534-c43357a4dedf |