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Phys Rev B Condens Matter
; 45(18): 10787-10788, 1992 May 01.
Article
in English
| MEDLINE
| ID: mdl-10000988
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Phys Rev B Condens Matter
; 44(9): 4666-4669, 1991 Sep 01.
Article
in English
| MEDLINE
| ID: mdl-10000128