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4. 4) Katayama, C., Kagimoto, A., Okuda, S., Masuda, M. and Okajima, K. : Effect of LED lighting condition on appearance of hamburger steaks in cooking, Annual conference of the Illuminating Engineering Institute of Japan, 03-28, 2016.9 (in Japanese)
5. 5) Ohno, Y. and Fein, M. : Vision experiment on acceptable and preferred white light chromaticity for lighting, Proceedings of CIE2014 “Lighting Quality and Energy Efficiency”, pp. 192-199, 2014.4