JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Illuminance calculation within the shadow affected by reflected light
Khoichi OhtaYoshihiko OhtaniTetsuo Yamaya
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1992 Volume 76 Issue Appendix Pages 55

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© The Illuminating Engineering Institute of Japan
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