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Dr C. L. Smith. Nature 223, 654 (1969). https://doi.org/10.1038/223654a0
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DOI: https://doi.org/10.1038/223654a0
Nature volume 223, page 654 (1969)
Dr C. L. Smith. Nature 223, 654 (1969). https://doi.org/10.1038/223654a0
Issue Date:
DOI: https://doi.org/10.1038/223654a0