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Annals of Physics . Nature 180, 635 (1957). https://doi.org/10.1038/180635a0
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DOI: https://doi.org/10.1038/180635a0
Nature volume 180, page 635 (1957)
Annals of Physics . Nature 180, 635 (1957). https://doi.org/10.1038/180635a0
Issue Date:
DOI: https://doi.org/10.1038/180635a0