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Phys Rev B Condens Matter
; 48(22): 16775-16784, 1993 Dec 01.
Article
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| MEDLINE
| ID: mdl-10008262
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Phys Rev B Condens Matter
; 47(13): 8156-8166, 1993 Apr 01.
Article
in English
| MEDLINE
| ID: mdl-10004828
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Phys Rev B Condens Matter
; 44(17): 9467-9479, 1991 Nov 01.
Article
in English
| MEDLINE
| ID: mdl-9998929
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Phys Rev B Condens Matter
; 44(2): 826-829, 1991 Jul 01.
Article
in English
| MEDLINE
| ID: mdl-9999189