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Phys Rev B Condens Matter
; 53(21): 14291-14297, 1996 Jun 01.
Article
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| MEDLINE
| ID: mdl-9983226
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Phys Rev B Condens Matter
; 52(22): 15951-15965, 1995 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-9980974
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Phys Rev B Condens Matter
; 49(9): 6319-6322, 1994 Mar 01.
Article
in English
| MEDLINE
| ID: mdl-10011621
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Phys Rev B Condens Matter
; 48(17): 13037-13041, 1993 Nov 01.
Article
in English
| MEDLINE
| ID: mdl-10007680
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Phys Rev B Condens Matter
; 45(14): 7805-7815, 1992 Apr 01.
Article
in English
| MEDLINE
| ID: mdl-10000589