JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Dark adaptation curves For superhighway tunnel entrance lighting
Re-cxaminntion of Kahayama curve
Ryuji SoumaTakashi IchijoTakashi OhyamaHiroshi Yoshida
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1996 Volume 80 Issue Appendix Pages 257

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© The Illuminating Engineering Institute of Japan
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