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Phys Rev B Condens Matter
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| ID: mdl-9982553
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Article
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Phys Rev B Condens Matter
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Article
in English
| MEDLINE
| ID: mdl-10011415
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Phys Rev B Condens Matter
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Article
in English
| MEDLINE
| ID: mdl-10000440