Bányászat: Általában
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:5c74fe57-fb9a-4d4c-a788-88b42ff27a18 |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:5c74fe57-fb9a-4d4c-a788-88b42ff27a18 |