Shoetsu Sakamoto
- (1998): トンネル用プロビーム照明の実用化. Realization of Pro-beam Lighting for tunnel lighting. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 82 ( 1998).
- (2003): トンネル照明における総視認率の検討 (第二報). Total revealing power of the tunnel interior lighting. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 87 ( 2003).
- (1991): トンネル内煤煙透過率と所要路面輝度. Relationship between transmittance and required road surface luminance in the tunnel based on visibility. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 75 ( 1991).
- (1995): トンネル入口部における先行車の視認性 (その2). Improving visibility of a proceeding car in the tunnel access zone in the daytime. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 79 ( 1995).
- (1984): トンネル入口部における先行車の視感輝度. Brightness of a car passing through a tunnel entrance. Dans: Journal of the Illuminating Engineering Institute of Japan, v. 68 ( 1984).
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