References
- GallagherV.P., et al. 1976. A visibility metric for safe lighting of city streets. J of the IES: 5(no. 2):85–91.
- JanoffM.S., et al. 1978. The relationship between visibility and traffic accidents. J of the IES 7(no. 2):95–104.
- JanoffM.S. 1989. Subjective ratings of visibility and alternative measures of roadway lighting. J of the IES 18(no. 1):17–28.
- JanoffM.S. 1992. The relationship between visibility level and subjective ratings of visibility. J of the IES 21(no. 2):108–112.
- LecocqJ. 1993. The application of the visibility level to hemispherical and multifaceted targets. Proceedings of the 2nd International Symposium on Visibility and Luminance in Roadway Lighting, Orlando, FL.
- JanoffM.S. and HavardJ.A. 1997. The effect of lamp color on the visibility of small targets. J of the IES 26(no.1):173–181.
- JanoffM.S., et al. 1984. Pavement Roughness and Ride Quality. NCHRP Report 275. Washington DC: Transportation Research Board.
- AdrianW. 1993. The physiological basis of the visibility concept. Proceedings of the 2nd International Symposium on Visibility and Luminance in Roadway Lighting, Orlando, FL.
- KeckM. 1990. VL-MAN2 computer program. Vicksburg, MS: Jolinko Enterprises, (based on W. Adrian's Visibility Level [personal communication.])