 |
| |||
| appearance of symbol (Konstantin 1966) | |||
| появление знака: 8 phrases in 3 subjects |
| Information technology | 3 |
| Mass media | 4 |
| Security systems | 1 |
|
| |||
| appearance of symbol (Konstantin 1966) | |||
| появление знака: 8 phrases in 3 subjects |
| Information technology | 3 |
| Mass media | 4 |
| Security systems | 1 |