References
- JanoffM. S., CharlesJ. W. and FreedmanM., “Specialized illumination systems for pedestrian crosswalks,” Lighting Design and Application, Vol. 5, No. 4, April 1975, p. 43.
- JanoffM. S., CharlesJ. W. and FreedmanM., “Fixed illumination for pedestrian protection,” Phase I Interim Report, The Franklin Institute Research Laboratories, May 1974.
- FreedmanM., JanoffM. S. and KothB., “Fixed illumination for pedestrian protection,” Phase II Interim Report, The Franklin Institute Research Laboratories, July 1975.
- FreedmanM., JanoffM. S., KothB. and McCunneyW. D., “Fixed illumination for pedestrian protection,” Final Report, The Franklin Institute Research Laboratories, December 1975.
- FreedmanM., JanoffM. S., KothB. and McCunneyW. D., Fixed Illumination for Pedestrian Protection—Users Manual, The Franklin Institute Research Laboratories, December 1975.
- GallagherV., “A visibility metric for the safe lighting of city streets,” Journal of the Illuminating Engineering Society, Vol. 5, No. 2, January 1976, p. 85.