BoycePR., BecksteadJ.W, EklundN.H., StrobelR.W., and ReaM.S.1997. Lighting the graveyard shift: the influence of a daylight-simulating skylight on the task performance and mood of night shift workers. Lighting Research and Technology, 29(3), 105–142.
2.
ReaM.S.2002. “Light-much more than vision” Light and Human Health: EPRI/LRO 5th International Lighting Research Symposium: Pal Alto, CA: The Lighting Research Office of the Electric Power Research Institute, 1–15.