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Phys Rev B Condens Matter
; 54(9): 6122-6125, 1996 Sep 01.
Article
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| MEDLINE
| ID: mdl-9986623
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Phys Rev B Condens Matter
; 51(6): 3783-3790, 1995 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-9979196
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Phys Rev B Condens Matter
; 49(21): 15335-15340, 1994 Jun 01.
Article
in English
| MEDLINE
| ID: mdl-10010648
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Phys Rev B Condens Matter
; 47(14): 8978-8985, 1993 Apr 01.
Article
in English
| MEDLINE
| ID: mdl-10004946
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Phys Rev B Condens Matter
; 44(13): 6955-6960, 1991 Oct 01.
Article
in English
| MEDLINE
| ID: mdl-9998579