ies lighting handbook, 5th Edition, New York, Illuminating Engineering Society, 1972.
2.
GoodbarI. “New Method for Point by Point Calculations,” illuminating engineering. Vol. XLI, January, 1946, p. 39.
3.
BaloghEdward “Infinite Plane Luminance Difference Techniques for Computing Illumination,” illuminating engineering, Vol. LXI #4, April, 1966, p. 205.
4.
JonesJ. R. “Three-Surface Analog Computer as an Aid in Point-by-Point Calculations in Interiors,” illuminating engineering.Vol. LIX #5, May, 1964, p. 357.
