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astronomical petroglyphs Searching for Rock Art Evidence for an Ancient Super Aurora by mar in us anthony van der s lu i j s and anthony l. per at t
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Document Date: 2013-05-01 03:28:02
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File Size: 1,73 MB
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astronomical petroglyphs Searching for Rock Art Evidence for an Ancient Super Aurora by mar in us anthony van der s lu i j s and anthony l. per at t