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Liverpool Observatory and Tidal Institute. Nature 188, 709 (1960). https://doi.org/10.1038/188709a0
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DOI: https://doi.org/10.1038/188709a0
Nature volume 188, page 709 (1960)
Liverpool Observatory and Tidal Institute. Nature 188, 709 (1960). https://doi.org/10.1038/188709a0
Issue Date:
DOI: https://doi.org/10.1038/188709a0