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International Business Machines, United Kingdom, Ltd.. Nature 191, 442 (1961). https://doi.org/10.1038/191442c0
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DOI: https://doi.org/10.1038/191442c0
Nature volume 191, page 442 (1961)
International Business Machines, United Kingdom, Ltd.. Nature 191, 442 (1961). https://doi.org/10.1038/191442c0
Published:
Issue Date:
DOI: https://doi.org/10.1038/191442c0