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Be bold, Mr Varley. Nature 252, 623 (1974). https://doi.org/10.1038/252623a0
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DOI: https://doi.org/10.1038/252623a0
Nature volume 252, page 623 (1974)
Be bold, Mr Varley. Nature 252, 623 (1974). https://doi.org/10.1038/252623a0
Issue Date:
DOI: https://doi.org/10.1038/252623a0