Tadashi Yamanaka
- トンネル照明用Hf蛍光ランプの検討. Study on high frequency operated fluorescent lamp for tunnel lighting. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 86 ( 2002). (2002):
- 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):