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Phys Rev B Condens Matter
; 39(4): 2060-2071, 1989 Feb 01.
Article
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| ID: mdl-9948439
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Phys Rev B Condens Matter
; 37(16): 9864-9867, 1988 Jun 01.
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Phys Rev B Condens Matter
; 36(16): 8870-8872, 1987 Dec 01.
Article
in English
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Phys Rev B Condens Matter
; 34(1): 217-225, 1986 Jul 01.
Article
in English
| MEDLINE
| ID: mdl-9939254