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Progress of the Ordnance Survey. Nature 130, 470–471 (1932). https://doi.org/10.1038/130470e0
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DOI: https://doi.org/10.1038/130470e0
Nature volume 130, pages 470–471 (1932)
Progress of the Ordnance Survey. Nature 130, 470–471 (1932). https://doi.org/10.1038/130470e0
Issue Date:
DOI: https://doi.org/10.1038/130470e0