@article{1982175, title={Illumination Facilities for Fukuoka Municipal Subway}, author={Tatsumi Takahashi and Ryoki Yabuguchi}, journal={JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN}, volume={66}, number={5}, pages={175-179}, year={1982}, doi={10.2150/jieij1980.66.5_175} }