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Phys Rev B Condens Matter
; 54(18): 13030-13033, 1996 Nov 01.
Article
in English
| MEDLINE
| ID: mdl-9985162
2.
Phys Rev B Condens Matter
; 53(2): 766-769, 1996 Jan 01.
Article
in English
| MEDLINE
| ID: mdl-9983031