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North America: Winning Friends and Influencing People. Nature 223, 559 (1969). https://doi.org/10.1038/223559a0
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DOI: https://doi.org/10.1038/223559a0
Nature volume 223, page 559 (1969)
North America: Winning Friends and Influencing People. Nature 223, 559 (1969). https://doi.org/10.1038/223559a0
Issue Date:
DOI: https://doi.org/10.1038/223559a0