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4802187 | Bouley et al. | Jan 1989 |
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0171190 | Aug 1986 | JPX |
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Entry |
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Shirasaki et al., 311, 1-126, (1985) National Conference at the Electrocommunications Society (Semiconductor & Materials Division). |
Usami et al., C-155, C-1-37 (1988) Autumn National Conference of the Electronic Information Communication Society. |