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Phys Rev B Condens Matter
; 50(4): 2432-2443, 1994 Jul 15.
Article
in English
| MEDLINE
| ID: mdl-9976463
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Phys Rev B Condens Matter
; 49(20): 14778-14781, 1994 May 15.
Article
in English
| MEDLINE
| ID: mdl-10010577