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Measuring the Invisible. Nature 229, 526 (1971). https://doi.org/10.1038/229526b0
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DOI: https://doi.org/10.1038/229526b0
Nature volume 229, page 526 (1971)
Measuring the Invisible. Nature 229, 526 (1971). https://doi.org/10.1038/229526b0
Issue Date:
DOI: https://doi.org/10.1038/229526b0