Photographic magnitudes of stars brighter than 14m.0 in 40 of Kapteyn's selected areas determined at the Royal Observatory, Greenwich
Frank Dyson
Bok Språk ikke angitt 1931
| Utgitt | London , 1931
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|---|---|
| Omfang | 69 s.
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| Emner |
Frank Dyson
Bok Språk ikke angitt 1931
