Denshi-tsūshin-gakkai-gijutsu-kenkyū-hōkoku EA, Denshi-tsūshin-gakkai-denki-onkyō-kenkyūkai-shiryō - Denshi Tsūshin Gakkai; Denshi-tsūshin-gakkai Denki-onkyō-kenkyūkai (Tōkyō Gakkai, 1966)
Text japan
Keywords: Zeitschrift