RQQ Report No. 4, “A method of evaluating the visual effectiveness of lighting systems,” Illuminating Engineering, vol. 65, Aug. 1970, p. 504.
2.
RQQ Report No. 5, “The predetermination of Contrast Rendition Factors for the calculation of Equivalent Sphere Illumination,” JIES, vol. 2, Jan. 1973, p. 149.
3.
Prepared by the Committee on Lighting and Air Conditioning, Illuminating Engineering, Mar. 1966 (currently under revision).
4.
“Recommended practice of daylighting,” Illuminating Engineering, Aug. 1962.
