1. Road lighting—Part 3: Calculation of performance. European standard EN 13201-3. Publication 270-2003. Ref. No. EN 13201-3:2003 E.
2. Road lighting calculations. Publication CIE 140-2000. ISBN:3-901-906-03-7.
3. Eloholma M, Ketomäki J, Halonen L. Road lighting—luminance and visibility measurements. Report 29 HUT Lighting Laboratory, 2001. ISBN:951-22-5736-X.
4. Fundamentals of the visual task of night driving. Publication CIE 100-1992. ISBN:3-900-734-37-2.
5. Simulation of the headlamp light pattern;Qiao;Proceedings of PAL,1999