| |||
| 可迁移的元素 | |||
|
elements of migration : 12 do fraz, 4 tematyki |
| Geografia | 1 |
| Nauka o ziemi | 1 |
| Nauka pustynna | 2 |
| Technika i technologia | 8 |
| |||
| 可迁移的元素 | |||
|
elements of migration : 12 do fraz, 4 tematyki |
| Geografia | 1 |
| Nauka o ziemi | 1 |
| Nauka pustynna | 2 |
| Technika i technologia | 8 |