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Prof. A. C. Hardy, F.R.S. Nature 149, 267 (1942). https://doi.org/10.1038/149267b0
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DOI: https://doi.org/10.1038/149267b0
Nature volume 149, page 267 (1942)
Prof. A. C. Hardy, F.R.S. Nature 149, 267 (1942). https://doi.org/10.1038/149267b0
Issue Date:
DOI: https://doi.org/10.1038/149267b0