 |
| |||
| pollution de la mer par les hydrocarbures | |||
| Ölverschmutzung des Meeres: 5 phrases in 3 subjects |
| Environment | 3 |
| General | 1 |
| Information technology | 1 |
|
| |||
| pollution de la mer par les hydrocarbures | |||
| Ölverschmutzung des Meeres: 5 phrases in 3 subjects |
| Environment | 3 |
| General | 1 |
| Information technology | 1 |