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Research on Safety in Mines. Nature 169, 1084 (1952). https://doi.org/10.1038/1691084e0
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DOI: https://doi.org/10.1038/1691084e0
Nature volume 169, page 1084 (1952)
Research on Safety in Mines. Nature 169, 1084 (1952). https://doi.org/10.1038/1691084e0
Issue Date:
DOI: https://doi.org/10.1038/1691084e0