References
- LemonsT. M. and MacLeodR. B., “Models and contrast rendition factor,” Lighting Design and Application, Vol. 3, No. 6, June 1973, p. 31.
- BlackwellH. R. and DiLauraD. L., “Application procedures for evaluation of veiling reflections in terms of ESI: II gonio data for the standard pencil task,” Journal of the Illuminating Engineering Society, Vol. 2, No. 3, April 1973, p. 254.
- LewinI. and HoltK. D., “Application of ESI predetermination techniques,” Journal of the Illuminating Engineering society, Vol. 2, No. 3, April 1973, p. 216.