Bányászat: Szénbányászat: Pilisi Szénbányák
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:2d866ff7-d715-448f-b335-99f1d34da080 |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:2d866ff7-d715-448f-b335-99f1d34da080 |