Bányászat: Ércbányászat
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:dbf5cdde-b753-4590-b42b-72bfafc4053c |
| Description not available. |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:dbf5cdde-b753-4590-b42b-72bfafc4053c |
| Description not available. |