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Phys Rev B Condens Matter
; 41(8): 5202-5213, 1990 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9994380
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Phys Rev B Condens Matter
; 39(14): 10174-10178, 1989 May 15.
Article
in English
| MEDLINE
| ID: mdl-9947796