✦ LIBER ✦
Beobachtungen der Algolsterne Z Vulpeculae und TX Herculis mit visuellen Farbenfiltern
✍ Scribed by B. Okunew
- Publisher
- John Wiley and Sons
- Year
- 1928
- Tongue
- English
- Weight
- 346 KB
- Volume
- 234
- Category
- Article
- ISSN
- 0004-6337
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