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Phys Rev B Condens Matter
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| MEDLINE
| ID: mdl-9983834
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Phys Rev B Condens Matter
; 50(21): 15978-15992, 1994 Dec 01.
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Phys Rev B Condens Matter
; 50(5): 3005-3010, 1994 Aug 01.
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in English
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Phys Rev B Condens Matter
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Article
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| MEDLINE
| ID: mdl-10009668