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Volumn 20, Issue 23, 1993, Pages 2703-2706
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An extension of the geomagnetic activity index series aa for two solar cycles (1844–1868)
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Author keywords
[No Author keywords available]
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Indexed keywords
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EID: 0001478776
PISSN: 00948276
EISSN: 19448007
Source Type: Journal
DOI: 10.1029/93GL03001 Document Type: Article |
Times cited : (103)
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References (17)
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