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National Physical Laboratory of India. Nature 167, 468–470 (1951). https://doi.org/10.1038/167468a0
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DOI: https://doi.org/10.1038/167468a0
Nature volume 167, pages 468–470 (1951)
National Physical Laboratory of India. Nature 167, 468–470 (1951). https://doi.org/10.1038/167468a0
Issue Date:
DOI: https://doi.org/10.1038/167468a0