References
- “IES Approved Method for Electrical and Photometric Measurements of General Service Incandescent Filament Lamps”, Journal of the Illuminating Engineering Society, Vol. II, No. 1, October 1981, p. 23.
- Osram Centra-Grey Photometric Paint, Osram GmbH, D–8000 Munchen 90, Postfach 900620, West Germany.
- LMT Lichtmesstechnik Berlin, Helmholtstrrasse 9, D1006 Berlin 10, West Germany.
- A. R. Robertson, “Computation of Correlated Color Temperature and Distribution Temperature”, Journal of the Optical Society of America, Vol. 58, November 1968, p. 1528.
- Kenneth L. Kelly, “Lines of Constant Correlated Color Temperature Based on MacAdam's (u, v) Uniform Chromaticity Transformation of the CIE Diagram”, Journal of the Optical Society of America, Vol. 53, August 1963, p. 999.