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Royal Greenwich Observatory: Annual Report for 1954–55. Nature 176, 641–642 (1955). https://doi.org/10.1038/176641a0
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DOI: https://doi.org/10.1038/176641a0
Nature volume 176, pages 641–642 (1955)
Royal Greenwich Observatory: Annual Report for 1954–55. Nature 176, 641–642 (1955). https://doi.org/10.1038/176641a0
Issue Date:
DOI: https://doi.org/10.1038/176641a0