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National Physical Laboratory: Open Days Divided. Nature 222, 112 (1969). https://doi.org/10.1038/222112a0
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DOI: https://doi.org/10.1038/222112a0
Nature volume 222, page 112 (1969)
National Physical Laboratory: Open Days Divided. Nature 222, 112 (1969). https://doi.org/10.1038/222112a0
Issue Date:
DOI: https://doi.org/10.1038/222112a0