| |||
| spectral measurement (igisheva); measurement (igisheva) | |||
| |||
| spectrographic studies | |||
|
спектрографическое исследование : 2 Phrasen in 2 Thematiken |
| Astronautik | 1 |
| Technik | 1 |
| |||
| spectral measurement (igisheva); measurement (igisheva) | |||
| |||
| spectrographic studies | |||
|
спектрографическое исследование : 2 Phrasen in 2 Thematiken |
| Astronautik | 1 |
| Technik | 1 |