Szénbányászat: Víz a bányában
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:2a45e5f4-94eb-4bb5-a52f-5579c87f3063 |
| Description not available. |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:2a45e5f4-94eb-4bb5-a52f-5579c87f3063 |
| Description not available. |