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Phys Rev B Condens Matter
; 52(6): 4553-4558, 1995 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9981590
2.
Phys Rev B Condens Matter
; 51(6): 3953-3956, 1995 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-9979224