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Fourth National Clay Conference in Pennsylvania. Nature 175, 1068 (1955). https://doi.org/10.1038/1751068d0
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DOI: https://doi.org/10.1038/1751068d0
Nature volume 175, page 1068 (1955)
Fourth National Clay Conference in Pennsylvania. Nature 175, 1068 (1955). https://doi.org/10.1038/1751068d0
Issue Date:
DOI: https://doi.org/10.1038/1751068d0