 |
| |||
| Earth referenced communication | |||
| связь через Землю: 6 phrases in 5 subjects |
| Communications | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
|
| |||
| Earth referenced communication | |||
| связь через Землю: 6 phrases in 5 subjects |
| Communications | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |