 |
| |||
| gradient vertical de l'ozone; gradient vertical | |||
|
vertical gradient : 12 do fraz, 3 tematyki |
| Elektronika | 2 |
| Nauki o życiu | 7 |
| Technika i technologia | 3 |
|
| |||
| gradient vertical de l'ozone; gradient vertical | |||
|
vertical gradient : 12 do fraz, 3 tematyki |
| Elektronika | 2 |
| Nauki o życiu | 7 |
| Technika i technologia | 3 |