Denshi Jōhō Tsūshin Gakkai Sōritsu 70-shūnen Kinen Sōgō Zenkoku Taikai (1987 : Yokohama-shi, Japan). Shōwa 62-nen Denshin Jōhō Tsūshin Gakkai ... 1987: v. 1, t.p. (The Institute of Electronics, Information and Communication Engineers; loc. Shibakōen, Minato-ku, Tokyo)
International Symposium on Optical Memory (1987 : Tokyo, Japan). Proceedings of the Internat'le. Symp. ... 1987: t.p. (The Institute of Electronics, Information and Communication Engineers (IEICE)