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Standards of Light at the National Physical Laboratory. Nature 170, 405 (1952). https://doi.org/10.1038/170405a0
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DOI: https://doi.org/10.1038/170405a0
Nature volume 170, page 405 (1952)
Standards of Light at the National Physical Laboratory. Nature 170, 405 (1952). https://doi.org/10.1038/170405a0
Issue Date:
DOI: https://doi.org/10.1038/170405a0