1. (1) Finnish National Road Administration: Road lighting handbook, Helsinki, ISBN 951-803-552-0, p.124 (2006).
2. (2) Finnish National Road Administration: Impact of road lighting on road safety and driving speeds, Technical report 18/2004, TIEH 3200868, p.80 (2004).
3. (3) Bullough, J. and Van Derlofske, J.: Vehicle forward lighting: optimizing for visibility and comfort, Lighting Research Center Rensselear, Polytechnic institute Troy, NY, Report TLA 2004-01, p.33 (2004).
4. (4) Akashi, Y. and Rea, M.: The effect of oncoming headlight glare on peripheral detection under a mesopic light level, Proceedings PAL Symposium, Darmstadt University of Technology, 2001; 1: pp.9-22 (2001).
5. Field measurements of direct and rearview-mirror glare from low-beam headlamps