Bányászat: Általában
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:cc1f0179-c1c8-4f0b-8630-2adc10c37e5e |
| Institution: | Open Society Archives at Central European University |
|---|---|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10891/osa:cc1f0179-c1c8-4f0b-8630-2adc10c37e5e |