 |
| |||
| проба донных наносов | |||
|
sediment sample : 46 Phrasen in 4 Thematiken |
| Gold schürfen | 41 |
| Hydrologie | 1 |
| Ökologie | 3 |
| Technik | 1 |
|
| |||
| проба донных наносов | |||
|
sediment sample : 46 Phrasen in 4 Thematiken |
| Gold schürfen | 41 |
| Hydrologie | 1 |
| Ökologie | 3 |
| Technik | 1 |