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Mathematics, Education and Industry. Nature 186, 1017 (1960). https://doi.org/10.1038/1861017b0
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DOI: https://doi.org/10.1038/1861017b0
Nature volume 186, page 1017 (1960)
Mathematics, Education and Industry. Nature 186, 1017 (1960). https://doi.org/10.1038/1861017b0
Issue Date:
DOI: https://doi.org/10.1038/1861017b0