References
- Committee on Recommendations for Quality and Quantity of Illumination of the IES, “A method of evaluating the visual effectiveness of lighting systems”, RQQ Report No. 4, Illuminating Engineering, Vol. 65, No. 8, August 1970, p. 504.
- Committee on Recommendations of Quality and Quantity of Illumination of the IES, “The predetermination of contrast rendition factors for the calculation of equivalent sphere illumination”, RQQ Report No. 5, Journal of the Illuminating Engineering Society, Vol. 2, No. 2, January 1973, p. 149.
- BlackwellH. R., HelmsR. N. and DiLauraD. L., “Application procedures for evaluation of veiling reflections in terms of ESI”, Journal of the Illuminating Engineering Society, Vol. 2, No. 3, April 1973, p. 230.
- LewinI. and HoltK. D., “The application of ESI predetermination techniques”, Journal of the Illuminating Engineering Society, Vol. 2, No. 3, April 1973, p. 216.
- LewinI., “A proposal for ESI ratings”, Journal of the Illuminating Engineering Society, Vol. 3, No. 3, April 1974, p. 211.