Experimental Investigations on the Light Around a Tunnel Entrance and the Visibility Within the Tunnel; Technical Committee for Tunnel Entrance Visibility Study
Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi)- Japan
doi 10.2150/jieij1917.47.5_187
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Date
January 1, 1963
Authors
Unknown
Publisher
Illuminating Engineering Society of Japan