Title: Shōwa 62-nen Denshi Jōhō Tsūshin Gakkai Sōritsu 70-shūnen Kinen Sōgō Zenkoku Taikai kōen ronbunshū
Subjects: Telecommunication, Congresses, Information theory, Electronics, Denshi Jōhō Tsūshin Gakkai (Japan)