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Phys Rev B Condens Matter
; 54(10): 7401-7405, 1996 Sep 01.
Article
in English
| MEDLINE
| ID: mdl-9984364
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Phys Rev B Condens Matter
; 49(1): 658-661, 1994 Jan 01.
Article
in English
| MEDLINE
| ID: mdl-10009335
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Phys Rev B Condens Matter
; 48(22): 16417-16424, 1993 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-10008223
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Phys Rev B Condens Matter
; 45(18): 10544-10548, 1992 May 01.
Article
in English
| MEDLINE
| ID: mdl-10000960
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Phys Rev B Condens Matter
; 38(4): 2934-2937, 1988 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9946629