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Estimates for Science. Nature 213, 1066 (1967). https://doi.org/10.1038/2131066a0
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DOI: https://doi.org/10.1038/2131066a0
Nature volume 213, page 1066 (1967)
Estimates for Science. Nature 213, 1066 (1967). https://doi.org/10.1038/2131066a0
Published:
Issue Date:
DOI: https://doi.org/10.1038/2131066a0