Bányászat: Szénbányászat: Mecseki Szénbányák
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:6d5dd258-104b-4458-82f3-c1d9a574724c |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:6d5dd258-104b-4458-82f3-c1d9a574724c |