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Phys Rev B Condens Matter
; 46(6): 3619-3630, 1992 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-10004079
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Phys Rev B Condens Matter
; 44(22): 12567-12570, 1991 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-9999419