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Science Fair: World Series in School Science. Nature 224, 527 (1969). https://doi.org/10.1038/224527a0
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DOI: https://doi.org/10.1038/224527a0
Nature volume 224, page 527 (1969)
Science Fair: World Series in School Science. Nature 224, 527 (1969). https://doi.org/10.1038/224527a0
Issue Date:
DOI: https://doi.org/10.1038/224527a0