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In Vitro Cell Dev Biol
; 25(8): 673-5, 1989 Aug.
Article
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| MEDLINE
| ID: mdl-2768129
2.
Phys Rev B Condens Matter
; 36(8): 4458-4461, 1987 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-9943436