HendersonR. L.McNelisJ. F., and WilliamsH. G. “A survey of important visual tasks in offices,” Lighting Design & Application, vol. 5, no. 1, p. 18, 1975.
2.
HendersonR. L.McNelisJ. F., and WilliamsH. G. “A survey of important visual tasks in offices,” Journal of Illuminating Engineering Society, vol. 4, no. 2, p. 150, 1975.
3.
EastmanA. A. “Compatible visibility measurements,” Illuminating Engineering.vol. 54, no. 6, p. 317, 1959.
4.
DorseyR. T., and BlackwellH. R. “A performance-oriented approach to lighting specification,” Lighting Design & Application, vol. 5, no. 2, p. 13, 1975.
5.
American National Standard Practice for Office Lighting, Illuminating Engineering Society, vol. 3, no. 1, p. 7, 1973.