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The National Reference Library of Science and Invention. Nature 198, 640 (1963). https://doi.org/10.1038/198640b0
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DOI: https://doi.org/10.1038/198640b0
Nature volume 198, page 640 (1963)
The National Reference Library of Science and Invention. Nature 198, 640 (1963). https://doi.org/10.1038/198640b0
Issue Date:
DOI: https://doi.org/10.1038/198640b0