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Phys Rev B Condens Matter
; 35(11): 5795-5801, 1987 Apr 15.
Article
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| MEDLINE
| ID: mdl-9940793
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Phys Rev B Condens Matter
; 34(4): 2140-2146, 1986 Aug 15.
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in English
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Phys Rev B Condens Matter
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Article
in English
| MEDLINE
| ID: mdl-9936460