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Phys Rev B Condens Matter
; 43(5): 4396-4407, 1991 Feb 15.
Article
in English
| MEDLINE
| ID: mdl-9997793
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Phys Rev B Condens Matter
; 38(17): 12549-12555, 1988 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9946200