References
- KaufmanJ.E. and ChristensenJ.F., IES Lighting Handbook, 1984 Reference Volume, New York: Illuminating Engineering Society of North America, 1984, Section 4.
- Photometry of Luminaires for Street Lighting, CIE Report No. 27– 1973, Paris: International Commission on Illumination (CIE). 1973. Available from Secretariat of the USNC/CIE, National Bureau of Standards, Gaithersburg, MD 20899.
- Photometry of Floodlights, CIE Report No. 43– 1979, Paris: International Commission on Illumination (CIE), 1979. Available from Secretariat of the USNC/CIE, National Bureau of Standards, Gaithersburg, MD 20899.