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Phys Rev B Condens Matter
; 52(11): 7868-7871, 1995 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-9979775
2.
Phys Rev B Condens Matter
; 52(3): 1536-1539, 1995 Jul 15.
Article
in English
| MEDLINE
| ID: mdl-9981214