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Japanese Journal of Applied Physics . Nature 196, 722 (1962). https://doi.org/10.1038/196722c0
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DOI: https://doi.org/10.1038/196722c0
Nature volume 196, page 722 (1962)
Japanese Journal of Applied Physics . Nature 196, 722 (1962). https://doi.org/10.1038/196722c0
Issue Date:
DOI: https://doi.org/10.1038/196722c0