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Phys Rev B Condens Matter
; 53(20): 13928-13933, 1996 May 15.
Article
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| MEDLINE
| ID: mdl-9983150
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Phys Rev B Condens Matter
; 50(12): 8189-8194, 1994 Sep 15.
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| MEDLINE
| ID: mdl-9974835
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Phys Rev B Condens Matter
; 44(20): 11060-11066, 1991 Nov 15.
Article
in English
| MEDLINE
| ID: mdl-9999224
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Phys Rev B Condens Matter
; 42(3): 1690-1695, 1990 Jul 15.
Article
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| MEDLINE
| ID: mdl-9995599
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Phys Rev B Condens Matter
; 40(8): 5529-5534, 1989 Sep 15.
Article
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| ID: mdl-9992585
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Phys Rev B Condens Matter
; 37(9): 4419-4424, 1988 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9945099