The Illuminated Surface Areas of High-Intensity Discharge and Tungsten Halogen Headlamps in the USA

Schoettle, B., Sivak, M., Flannagan, M.J. 2004. The Illuminated Surface Areas of High-Intensity Discharge and Tungsten Halogen Headlamps in the USA. Lighting Research and Technology vol. 36, no. 3 (2004), p. 243-250.