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Royal Statistical Society. Nature 191, 126 (1961). https://doi.org/10.1038/191126a0
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DOI: https://doi.org/10.1038/191126a0
Nature volume 191, page 126 (1961)
Royal Statistical Society. Nature 191, 126 (1961). https://doi.org/10.1038/191126a0
Issue Date:
DOI: https://doi.org/10.1038/191126a0