SIMBAD references

1974A&A....36...57N - Astronomy and Astrophysics, volume 36, 57-68 (1974)

The He-to-hydrogen ratio in B stars, as determined from photoelectric observations of a narrow-band index of the He I lambda 4026 line.

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Simbad objects: 132

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2020.01.26-12:41:02

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