 |
| |||
| Mississippian period (евр) | |||
| Lower Carboniferous (MichaelBurov); Lower Carbon (MichaelBurov) | |||
| нижний карбон: 7 Phrasen in 3 Thematiken |
| Bergbau | 1 |
| Bohren | 1 |
| Geologie | 5 |
|
| |||
| Mississippian period (евр) | |||
| Lower Carboniferous (MichaelBurov); Lower Carbon (MichaelBurov) | |||
| нижний карбон: 7 Phrasen in 3 Thematiken |
| Bergbau | 1 |
| Bohren | 1 |
| Geologie | 5 |