 |
| |||
| среднее сечение | |||
|
average cross-section : 3 do fraz, 3 tematyki |
| Elektronika | 1 |
| Technika i technologia | 1 |
| Technologia ropy i gazu | 1 |
|
| |||
| среднее сечение | |||
|
average cross-section : 3 do fraz, 3 tematyki |
| Elektronika | 1 |
| Technika i technologia | 1 |
| Technologia ropy i gazu | 1 |