 |
| |||
| 极性期 | |||
| 磁极期; 磁极世 | |||
| 极性时纪 | |||
|
polarity epoch : 7 do fraz, 3 tematyki |
| Nauka o ziemi | 1 |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 5 |
|
| |||
| 极性期 | |||
| 磁极期; 磁极世 | |||
| 极性时纪 | |||
|
polarity epoch : 7 do fraz, 3 tematyki |
| Nauka o ziemi | 1 |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 5 |