 |
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| courant extérieur | |||
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external current : 7 do fraz, 5 tematyki |
| Budownictwo | 1 |
| Ekonomia | 2 |
| Hutnictwo | 1 |
| Nauka o ziemi | 2 |
| Transport | 1 |
|
| |||
| courant extérieur | |||
|
external current : 7 do fraz, 5 tematyki |
| Budownictwo | 1 |
| Ekonomia | 2 |
| Hutnictwo | 1 |
| Nauka o ziemi | 2 |
| Transport | 1 |