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New Normal Geomagnetic Event. Nature 233, 306 (1971). https://doi.org/10.1038/233306b0
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DOI: https://doi.org/10.1038/233306b0
Nature volume 233, page 306 (1971)
New Normal Geomagnetic Event. Nature 233, 306 (1971). https://doi.org/10.1038/233306b0
Issue Date:
DOI: https://doi.org/10.1038/233306b0