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The authors thank J. van Hunen, M. Allen and J. Jenkins for discussions.
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Wadsworth, F.B., Vasseur, J., Anagnostopoulos, I. et al. Estimating pi using geoscience. Nat. Geosci. 15, 246–247 (2022). https://doi.org/10.1038/s41561-022-00928-z
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DOI: https://doi.org/10.1038/s41561-022-00928-z
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