Takashi Ohyama
- 田結トンネルのカウンタービーム照明. Counter beam lighting for Tai Tunnel. In: Journal of the Illuminating Engineering Institute of Japan, v. 81 ( 1997). (1997):
- 高規格トンネル照明設計のための暗順応曲線. Dark adaptation curves For superhighway tunnel entrance lighting. In: Journal of the Illuminating Engineering Institute of Japan, v. 80 ( 1996). (1996):
- 高規格トンネル照明設計のための暗順応曲線. Second proposal of transition zone luminance for superhighway tunnel entrance lighting. In: Journal of the Illuminating Engineering Institute of Japan, v. 81 ( 1997). (1997):
- 高規格トンネル照明設計のための暗順応曲線. Dark adaptation curves For superhighway tunnel entrance lighting. In: Journal of the Illuminating Engineering Institute of Japan, v. 80 ( 1996). (1996):