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Q., J. Record Solar Activity in August 1972. Nature 241, 307 (1973). https://doi.org/10.1038/241307a0
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DOI: https://doi.org/10.1038/241307a0
Nature volume 241, page 307 (1973)
Q., J. Record Solar Activity in August 1972. Nature 241, 307 (1973). https://doi.org/10.1038/241307a0
Issue Date:
DOI: https://doi.org/10.1038/241307a0