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Physical Review B Physical review / B, 90 90 (2014 2014) 22 22, S. 220403 220403
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Physical Review B Physical review / B, 90 90 (2014 2014) 11 11, S. 115427 115427
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Physical Review B Physical review / B, 90 90 (2014 2014) 6 6, S. 064406 064406
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