| |||
| Untergrund Überwachung | |||
| Untergrundueberwachung f | |||
|
background monitoring : 3 phrases in 2 subjects |
| Environment | 1 |
| Natural resourses and wildlife conservation | 2 |
| |||
| Untergrund Überwachung | |||
| Untergrundueberwachung f | |||
|
background monitoring : 3 phrases in 2 subjects |
| Environment | 1 |
| Natural resourses and wildlife conservation | 2 |