References
- BalderJ. J. 1957. Erwünschte Leuchtdichten in Büroräumen, Lichttechnik 9:455.
- BodmannH. H. 1967. Quality of interior lighting based on luminance. Ilium. Eng. London 32:22.
- BarthèsE. and RichardJ. L. 1969. Etude expérimentale du comfort visuel à travers l'équilibre des luminances. Lux 54: 298.
- TregenzaP. R. et al. 1974. Consistence and variation in preferences for office lighting. Ltg Res & Tech 6: 205.