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Road Research. Nature 187, 464 (1960). https://doi.org/10.1038/187464d0
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DOI: https://doi.org/10.1038/187464d0
Nature volume 187, page 464 (1960)
Road Research. Nature 187, 464 (1960). https://doi.org/10.1038/187464d0
Issue Date:
DOI: https://doi.org/10.1038/187464d0