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Testing, Testing. Nature 218, 512 (1968). https://doi.org/10.1038/218512a0
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DOI: https://doi.org/10.1038/218512a0
Nature volume 218, page 512 (1968)
Testing, Testing. Nature 218, 512 (1968). https://doi.org/10.1038/218512a0
Published:
Issue Date:
DOI: https://doi.org/10.1038/218512a0