 |
| |||
| гелиевый метод (of age determination, определения возраста) | |||
| helium method: 5 phrases in 5 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Geology | 1 |
| GOST | 1 |
| Makarov | 1 |
|
| |||
| гелиевый метод (of age determination, определения возраста) | |||
| helium method: 5 phrases in 5 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Geology | 1 |
| GOST | 1 |
| Makarov | 1 |