1. Een andere kijk op aanbevelingen voor verlichtingssterkte bij binnenverlichting;van Bergem-Jansen,1989
2. Age, illuminance, visual performance and preference;Boyce;Lighting Research and Technology,1973
3. The influence of target size on the contrast sensitivity function determined with the Vistech VCTS 6500 Chart;van den Brom;Clinical Vision Sciences,1992
4. Optimizing illumination for visually impaired persons; comparing subjective and objective criteria;Cornelissen,1994
5. Illumination research as a part of a visual assessment of visually impaired individuals;Cornelissen;Documenta Ophthalmologica,1991