Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1991/10/25 Vol. E74-CNo. 10pp. 3357-3359 Type of Manuscript: LETTER Category: Materials Keyword:
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1988/04/25 Vol. E71-ENo. 4pp. 266-267 Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1988 Spring Convention IEICE) Category: Components and Materials Keyword: