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Society of Instrument Technology, Ltd.. Nature 177, 778 (1956). https://doi.org/10.1038/177778c0
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DOI: https://doi.org/10.1038/177778c0
Nature volume 177, page 778 (1956)
Society of Instrument Technology, Ltd.. Nature 177, 778 (1956). https://doi.org/10.1038/177778c0
Issue Date:
DOI: https://doi.org/10.1038/177778c0