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Phys Rev B Condens Matter
; 39(13): 9631-9632, 1989 May 01.
Article
in English
| MEDLINE
| ID: mdl-9947711
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Phys Rev B Condens Matter
; 38(13): 8936-8939, 1988 Nov 01.
Article
in English
| MEDLINE
| ID: mdl-9945675
3.
Phys Rev B Condens Matter
; 38(4): 2509-2512, 1988 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9946560