1. Aydınlı S. Daylight in buildings. I. National Lighting Congress, Istanbul, 1996. p. 24–30.
2. Velds M. Monitoring protocol, IEA, task 21, daylight in buildings, subtask B, daylight responsive lighting control systems, Delft, 1996.
3. International Energy Agency. Daylight in buildings. a source book on daylighting systems and components, A Report of IEA SHC Task 21/ECBCS Annex 29, July 2000.