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Building Research. Nature 207, 1239 (1965). https://doi.org/10.1038/2071239a0
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DOI: https://doi.org/10.1038/2071239a0
Nature volume 207, page 1239 (1965)
Building Research. Nature 207, 1239 (1965). https://doi.org/10.1038/2071239a0
Issue Date:
DOI: https://doi.org/10.1038/2071239a0