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The top documents tagged [ipy period]
IPY 2007 2008 1 Wenjan Zhang, Tillmann Mohr, Eduard Sarukhanian Sub-Committee on Observations of the IPY JC –progress report
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Spaceborne Observations of the Polar Regions during IPY The IPY provides an international framework for understanding high-latitude climate change and
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Spaceborne Observations of the Polar Regions during IPY
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