 |
Sahel
| und
| Westafrika
| Club
| Sahel | |
| econ. | Sahel |
| UND | |
| comp. | AND |
| comp., MS | AND |
| meas.inst. | AND |
| und | |
| gen. | and |
| astr. | plus |
| mining. | well bore |
| Westafrika | |
| gen. | West Africa |
| Club | |
| gen. | club |
| |||
| Sahel | |||
| Sahel: 12 phrases in 4 subjects |
| Earth sciences | 1 |
| Economy | 2 |
| Environment | 4 |
| General | 5 |