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Physical Review B Physical review / B, 70 70 (2004 2004) 17 17, S. 174418 174418
...2004...
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Physical Review B Physical review / B, 69 69 (2004 2004) 8 8, S. 085317 085317
...2004...
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Journal of physics / Condensed matter, 16 (2004) S. 5819 - 5822
...2004...
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