New York Times
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History Channel
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Kuepper, G.
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Christen, H.; Maniscalco, P.; Walker, R.
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McMahon, J.
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Jackson, B. A.; Peterson, D. J.; Bartis, J. T.; LaTourrette, T.; Brahmakulam, I.; Houser, A.; Sollinger, J.
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BBC News
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BBC News
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BBC News
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