 |
| American Institute of Mining and Metallurgical Engineers: 3 do fraz, 3 tematyki |
| Hutnictwo | 1 |
| Sachalin | 1 |
| Technika i technologia | 1 |
|
| American Institute of Mining and Metallurgical Engineers: 3 do fraz, 3 tematyki |
| Hutnictwo | 1 |
| Sachalin | 1 |
| Technika i technologia | 1 |