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European Physical Society. Nature 216, 216–217 (1967). https://doi.org/10.1038/216216b0
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DOI: https://doi.org/10.1038/216216b0
Nature volume 216, pages 216–217 (1967)
European Physical Society. Nature 216, 216–217 (1967). https://doi.org/10.1038/216216b0
Issue Date:
DOI: https://doi.org/10.1038/216216b0