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International Council of Scientific Unions. Nature 191, 752 (1961). https://doi.org/10.1038/191752a0
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DOI: https://doi.org/10.1038/191752a0
Nature volume 191, page 752 (1961)
International Council of Scientific Unions. Nature 191, 752 (1961). https://doi.org/10.1038/191752a0
Issue Date:
DOI: https://doi.org/10.1038/191752a0