Bányászat: kőolaj és földgázbánya
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:2c699b18-a2b9-4c35-929a-04e259b0ffd8 |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:2c699b18-a2b9-4c35-929a-04e259b0ffd8 |