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Nature 463 (7279), 344-348, 2010
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Journal of Geophysical Research: Atmospheres 108 (D2), 2003
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SJ Oltmans, H Levy II
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Journal of Geophysical Research: Atmospheres 107 (D13), ACH 4-1-ACH 4-21, 2002
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Journal of Geophysical Research: Atmospheres 112 (D19), 2007
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Geophysical Research Letters 27 (21), 3453-3456, 2000
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Journal of Geophysical Research: Atmospheres 104 (D18), 22095-22102, 1999
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