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Phys Rev B Condens Matter
; 40(5): 2801-2805, 1989 Aug 15.
Article
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| MEDLINE
| ID: mdl-9992209
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Phys Rev B Condens Matter
; 39(8): 4911-4915, 1989 Mar 15.
Article
in English
| MEDLINE
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Phys Rev B Condens Matter
; 37(8): 4284-4287, 1988 Mar 15.
Article
in English
| MEDLINE
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Phys Rev B Condens Matter
; 36(18): 9500-9506, 1987 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9942843