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National Physical Laboratory Notes on Applied Science. Nature 176, 822–823 (1955). https://doi.org/10.1038/176822a0
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DOI: https://doi.org/10.1038/176822a0
Nature volume 176, pages 822–823 (1955)
National Physical Laboratory Notes on Applied Science. Nature 176, 822–823 (1955). https://doi.org/10.1038/176822a0
Issue Date:
DOI: https://doi.org/10.1038/176822a0