References
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- BlackwellO. M., “A prescription for roadway lighting”, Lighting Design and Application, Vol. 4, No. 2, February 1974, p. 38.
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- Raw data of (a) Swigart and Kovacs, (b) Goldman, and (c) Janoff, Freedman and Koth kindly supplied by GallagherV. P., Franklin Institute Research Laboratories, Philadelphia, Pa.
- LongobardiG., “On the variability of the disability glare factor”, Atti della Fondazione Giorgio Ronchi, Vol. 28, No. 4, July-August 1973, p. 653.
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- BlackwellH. R.. Discussion of the paper by V. P. Gallagher entitled “A visibility metric for safe lighting of city streets”, Journal of the Illuminating Engineering Society, Vol. 5, No. 2, January 1976, p. 90.
- BlackwellH. R. and BlackwellO. M., “Population data for 140 20- to 30-year olds for use in assessing the effects of lighting upon visual performance”, Report to the Illuminating Engineering Research Institute, Ohio State University, Columbus, Ohio, December 1976.