Ansi, Draft American national standard specifications for 400 W high pressure sodium lamps, American National Standards Institute, New York (1974).
2.
Ansi, Draft American national standard specifications for 250 W high pressure sodium lamps, American National Standards Institute, New York (1975).
3.
Isaacs, A., The impact of electronics on lighting, Ltg Res. & Technol. , 7, 226 (1975).
4.
Collins, B.R. & Wenner, R.E., A starting pulse tester for high pressure sodium systems, J. Illum. Engng. Soc. (New York), 5, 195 (1976).
5.
Elms, R.T., Engel, J.C., and Saletta, G.F., Restriking hot metal vapour lamps-lamp characteristic and circuit requirements , J. Illum. Engng. Soc. (New York), 5, 26 (1976).
6.
McIngvale, J.D. , Jr., HPS Starting circuits-the effect of system variations on pulse parameters, J. Illum. Engng. Soc. (New York), 5, 49 (1976).
7.
Miles, E.E., Light Sources, South African National Committee on Illumination, Preprint No. SANCI 76/3, 23rd AGM and Congress, Johannesburg (1976).
8.
Stockton, R.E. , The relationship between control gear and conservation of energy, South African National Committee on Illumination , Preprint No. SANCI 77/1, 24th AGM and Congress , Port Elizabeth (1977).
9.
Levin, D.M., Randall, V.K. and Reibeling, E., The design of an electronic igniter for gas discharge lamps, University of Natal, Department of Electrical Engineering, Design Report (1977).