IES Committee on Progress, 1973, 1974 and 1975 “Progress Reports,” LD&A, (December, 1973) pp. 6-21, (December, 1974) pp. 4-17, (December, 1975) pp. 6-23.
2.
JolleyL. B.WaldremJ. M., WilsonG. H., The Theory and Design of Illuminating Engineering Equipment,Chapman and Hall, London (1930) p. 353.
3.
IES Committee on Recommendations for Quality and Quantity of Illumination, “Visual Comfort Ratings for Interior Lighting,” Illuminating Engineering, (October, 1966) pp. 643–666.