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Phys Rev B Condens Matter
; 49(22): 15495-15497, 1994 Jun 01.
Article
in English
| MEDLINE
| ID: mdl-10010678
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Phys Rev B Condens Matter
; 47(22): 14696-14705, 1993 Jun 01.
Article
in English
| MEDLINE
| ID: mdl-10005843