| |||
| spectral measurement (igisheva); measurement (igisheva) | |||
| |||
| spectrographic studies | |||
|
спектрографическое исследование : 2 phrases, 2 sujets |
| Astronautique | 1 |
| Technologie | 1 |
| |||
| spectral measurement (igisheva); measurement (igisheva) | |||
| |||
| spectrographic studies | |||
|
спектрографическое исследование : 2 phrases, 2 sujets |
| Astronautique | 1 |
| Technologie | 1 |