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The Institute of Physics and the Physical Society. Nature 191, 228 (1961). https://doi.org/10.1038/191228f0
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DOI: https://doi.org/10.1038/191228f0
Nature volume 191, page 228 (1961)
The Institute of Physics and the Physical Society. Nature 191, 228 (1961). https://doi.org/10.1038/191228f0
Issue Date:
DOI: https://doi.org/10.1038/191228f0