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Phys Rev B Condens Matter
; 46(24): 15833-15843, 1992 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-10003723
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Phys Rev B Condens Matter
; 44(23): 12713-12736, 1991 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9999446