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RITCHIE, J. Dr. R. S. Clark. Nature 166, 1055 (1950). https://doi.org/10.1038/1661055a0
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DOI: https://doi.org/10.1038/1661055a0
Nature volume 166, page 1055 (1950)
RITCHIE, J. Dr. R. S. Clark. Nature 166, 1055 (1950). https://doi.org/10.1038/1661055a0
Issue Date:
DOI: https://doi.org/10.1038/1661055a0