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Institute of Education Library, Birmingham. Nature 170, 695 (1952). https://doi.org/10.1038/170695a0
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DOI: https://doi.org/10.1038/170695a0
Nature volume 170, page 695 (1952)
Institute of Education Library, Birmingham. Nature 170, 695 (1952). https://doi.org/10.1038/170695a0
Issue Date:
DOI: https://doi.org/10.1038/170695a0