spektrogram
| spektrogram | |
| tech. | spectrogram |
| |||
| spectrogram | |||
|
spektrogram : 8 phrases in 4 subjects |
| Chemistry | 3 |
| Law | 1 |
| Photography | 3 |
| Technology | 1 |
| spektrogram | |
| tech. | spectrogram |
| |||
| spectrogram | |||
|
spektrogram : 8 phrases in 4 subjects |
| Chemistry | 3 |
| Law | 1 |
| Photography | 3 |
| Technology | 1 |