Abstract
LONDON. Royal Society, February 3.—“Comparison of Oxygen with the extra Lines in the Spectra of the Helium Stars, β Crucis, &c.; also Summary of the Spectra of Southern Stars to the 3½ Magnitude and their Distribution.” By Frank McClean, F.R.S.
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Societies and Academies. Nature 57, 405–408 (1898). https://doi.org/10.1038/057405a0
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DOI: https://doi.org/10.1038/057405a0