Fig 2. Ratio of Luminances of the Compared Lamp to the Daylight Lamp for the Equal Brightiness Perception Effect of Different Spectral Characteristics of Fluorescent Lamps on Brightness Perception
Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi) - Japan
doi 10.2150/jieij1980.81.appendix_201
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January 1, 1997
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Illuminating Engineering Society of Japan