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Phys Rev B Condens Matter
; 39(9): 5934-5946, 1989 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9949015
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Phys Rev B Condens Matter
; 38(6): 3948-3959, 1988 Aug 15.
Article
in English
| MEDLINE
| ID: mdl-9946769
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Phys Rev B Condens Matter
; 37(8): 4155-4163, 1988 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9945051