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Municipal Library System of London and the Home Counties. Nature 168, 500 (1951). https://doi.org/10.1038/168500a0
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DOI: https://doi.org/10.1038/168500a0
Nature volume 168, page 500 (1951)
Municipal Library System of London and the Home Counties. Nature 168, 500 (1951). https://doi.org/10.1038/168500a0
Issue Date:
DOI: https://doi.org/10.1038/168500a0