Bányászat: mangánércbánya
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:6925db6f-837b-46f0-a114-21788fcd6c49 |
| Description not available. |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:6925db6f-837b-46f0-a114-21788fcd6c49 |
| Description not available. |