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CHAFFEY, C. Clock and calendar in SI units. Nature 250, 701 (1974). https://doi.org/10.1038/250701a0
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DOI: https://doi.org/10.1038/250701a0
Nature volume 250, page 701 (1974)
CHAFFEY, C. Clock and calendar in SI units. Nature 250, 701 (1974). https://doi.org/10.1038/250701a0
Issue Date:
DOI: https://doi.org/10.1038/250701a0