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A New Development in Echo-Sounding. Nature 169, 483 (1952). https://doi.org/10.1038/169483c0
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DOI: https://doi.org/10.1038/169483c0
Nature volume 169, page 483 (1952)
A New Development in Echo-Sounding. Nature 169, 483 (1952). https://doi.org/10.1038/169483c0
Issue Date:
DOI: https://doi.org/10.1038/169483c0