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Phys Rev B Condens Matter
; 50(11): 7996-7999, 1994 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-9974794
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Phys Rev B Condens Matter
; 49(16): 11479, 1994 Apr 15.
Article
in English
| MEDLINE
| ID: mdl-10010009