References
- IES Testing Procedures Committee, “IBS approved method of life testing of low pressure sodium lamps,” Journal of the Illuminating Engineering SocietY, Vol. 12, No. 4 July 1983, p. 215.
- IES Testing Procedures Committee, “IES guide for the selection, care, and use of electrical instruments in the photometric laboratory,” Journal of Illuminating Engineering SocietY, Vol. 9, No. 2, Jan. 1980, p. 77.
- American National standard requirements for automatic digital voltmeters and ratio meters, ANSI C39.6–1969 (R1975), New York, American National Standards Institute.
- IES Committee on Testing Procedures for Illumination Characteristics, “IES general guide to photometry,” Illuminating Engineering, Vol. 50, No. 3, Mar. 1955, p. 147; No. 4, Apr. 1955, p. 201.
- Ies Testing Procedures Committee, “IES practical guide to photometry,” Journal of the Illuminating Engineering SocietY, Vol. l, No. 1, Oct. 1971, p. 73.
- IES Lighting Handbook, 1981 Reference Volume, New York, Illuminating Engineering Society of North America, 1981.
- Proposed American National Standard Specifications for Low Pressure Sodium Lamps, New York, American National Standards Institute, to be published.