Shigefumi Ueda
- The 上信越道太郎山トンネルの新型トンネル照明. The new tunnel lighting for Tarouyama Tunnel. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 81 ( 1997). (1997):
- トンネル内標識の視認性に関する検討. Visibility of tunnel signs. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 86 ( 2002). (2002):