References
- CampbellR.J., and KroontjeW. 1980. Evaporation studies of the sintered aluminum oxide discharge tubes used in high pressure sodium (HPS) lamps. J of the IES, 9(no. 4) 223–239.
- De GrootJ. and van VlietJ. 1986. The high-pressure sodium lamp. Deventer, The Netherlands: Kluwer Technische Boeken B.V.
- MeyerV.D.; WynerE.F.; and FortucciP.L. 1980. The effect of outer jacket gases on the performance of high pressure sodium (HPS) lamps. J of the IES 9(no. 3):175–180.
- ReifF. 1965. Fundamentals of statistical and thermal physics, McGraw-Hill: New York.
- North American Philips Corporation, 4,939,408 (July 3, 1990).
- ANSI Standard C78.1353–1985 American National Standard for electric lamps—70-watt S62 high-pressure sodium lamps. American National Standards Institute. 1985. Washington DC: ANSI.
- North American Philips Corporation, US Pat 4,963,791 (October 16, 1990).