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Uniform Time and Constant Frequency for the Year 1963. Nature 197, 21 (1963). https://doi.org/10.1038/197021b0
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DOI: https://doi.org/10.1038/197021b0
Nature volume 197, page 21 (1963)
Uniform Time and Constant Frequency for the Year 1963. Nature 197, 21 (1963). https://doi.org/10.1038/197021b0
Issue Date:
DOI: https://doi.org/10.1038/197021b0