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The Irish Astronomical Journal . Nature 167, 178 (1951). https://doi.org/10.1038/167178a0
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DOI: https://doi.org/10.1038/167178a0
Nature volume 167, page 178 (1951)
The Irish Astronomical Journal . Nature 167, 178 (1951). https://doi.org/10.1038/167178a0
Issue Date:
DOI: https://doi.org/10.1038/167178a0