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Permissible ratio of the reduced luminance for the tunnel emergency lighting
Miyamoto, Manabu, Uchimaru, Toshio, Ito, Hayato, Karasawa, YoshinoriVolume:
86
Year:
2002
DOI:
10.2150/jieij1980.86.appendix_110
File:
PDF, 194 KB
2002