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Advances in Astronomy
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Advances in Astronomy
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2012
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Article
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Fig 2
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Research Article
Sunspot Cycle 24 and the Advent of Dalton-Like Minimum
Figure 2
Annual mean values of Ap and
at earth orbit are plotted for 1963–2009; at the bottom of the graph, the 3-cycle trend is high-lighted by dashed lines. See text for details.