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Phys Rev B Condens Matter
; 54(24): R17339-R17342, 1996 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9985952
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Phys Rev B Condens Matter
; 53(20): 13427-13440, 1996 May 15.
Article
in English
| MEDLINE
| ID: mdl-9983088