References
- MizunoH.,AkutsuH., and WataraiY., 1971. New high-pressure sodium lamp with higher color rendition. CIE 17th Session, Barcelona, p 71.14.
- BeijerL.B.,BroerseP.H.,DaviesI.H., and HolmesT. 1970. Brighter, whiter and mightier light sources for public lighting Public Lighting, 35: 173–186.
- OpsteltenJ.J., 1983. The establishment of a representative set of test colors for the specification of the color rendering properties of light sources. CIE 20th Session, Amsterdam, I: D112.1-D112.4.
- AkutsuH.,WataraiY.,SaitoN., and MizunoH. 1984. A new high pressure sodium lamp with high color acceptability. J. Ilium. Eng. Soc. 13: 341–349.
- VrugtP.J. 1985. Compatibility of alumina (sapphire) and sodium in the temperature range of 1075–1525 K. High-Temperature Lamp Chemistry (Subler ed.), The Electrochemical Society Proc. 85–2:237–250.
- AkutsuH., 1984. Trends in HPS lamp technology. Light Res and Technol 16: 73–84.
- de GrootJ., and van VlietJ. The High-Pressure Sodium Lamp Philips Technical Library, Chapter 5.
- Van de WeijerM.H.A.,FitzgeraldJ., and JacobsC.A.J., 1981. High-pressure discharge lamp current supply member and mounting seal construction. US Patent No. 4,475,061.
- OpsteltenJ.J., and RinzemaG., 1986. New insights in chromaticity and tolerance areas for fluorescent lamps. IES Conference