2012, Spectral effects of lighting on visual performance at mesopic lighting levels, IES TM-12-12

Kim Jong-Oh, Jo Hyeong-Seob, Ryu Uh-Chan, 2017, A study on changes of the S/P ratio and CRI based on the wavelength spectra of RGB 3-chip LED lightings, Journal of KIIEE, Vol. 31, No. 2, pp. 17-25

2013, S/P ratios and mesopic vision, Technical Statement of Lighting Industry Association, LIA TS-24:2013, No. 1

Choi Hyeon-Seok, Yoo Seong-Sik, Kim Hoon, 2012, The comparison of mesopic vision luminance for lamp variation, Proceedings of KIIEE Annual Conference, pp. 199-200

Yang Jung Soon, 2018, A study on design direction of color temperature of LED lighting environment in urban space, Journal of KSBDA, Vol. 19, No. 5, pp. 475-486

Yang Il, Kim Sung-Joong, Shin Kyung-Ho, Cho. Mee-Ryoung, Yeo In-Seon, 2017, Study on improvement of CRI and $R_{9}$ by mixing monochromatic (R, G, B, A) and white LED, Proceedings of KIIEE Annual conference

Park Hyensou, Lee Chan-su, 2018, Psychophysiological responses of passengers to the illuminance and color temperature of lighting for different in-vehicle activities, Journal of KIIEE, Vol. 32, No. 1, pp. 9-16

2013, Code of practice for the design of road lighting, Part 1: Lighting of roads and public amenity areas, BS 5489-1:2013, BSI Standards Publication

Kim Jong-Oh, Jo. Hyeong-Seob, Ryu Uh-Chan, 2019, Simulation of S/P ratio changes by combination of 455nm LED and phosphor spectra, Journal of KIIEE, Vol. 33, No. 11, pp. 1-10

Berman S. M., 1992, Energy efficiency consequences of scotopic sensitivity, Journal of the Illuminating Engineering Society, Vol. 21, No. 1, pp. 3-14