The issue of sky conditions

IES Lighting Handbook, Reference Volume, The Illuminating Engineering Society of North America, (New York) 1981.

Kingsbury H. L. , Anderson H. H. , and Bizzaro V. U. , “Availability of Daylight,” Illuminating Engineering, pp. 77–85, February 1957.

Ruck N. C. , “Daylight Climate In Australia,” International Commission on Illumination (CIE), 20th Session, Amsterdam, August 31–September 8, 1983.

Hunt D. R. G. , “Simple Expressions for Predicting Energy Savings from Photoelectric Control of Lighting,” CP 32/77, Building Research Station, Garston, Watford, UK, July 1977.

Littlefair P. J. , “The Luminance Distribution of an Average Sky,” Lighting Research and Technology, Vol. 13, No. 4, pp. 192–198, 1981.

Nakamura H. , Oki M. , “Composition of Mean Sky and Its Application to Daylight Prediction,” International Commission on Illumination (CIE), 20th Session, Amsterdam, August 31-September 8, 1983.

Pierpoint W. , “A Simple Model for Daylighting Calculations,” Proceedings of the International Daylighting Conference, Phoenix, February 1984.

Dave J. V. , “Validity of the Isotropic Distribution Approximation in Solar Energy Estimations,” Solar Energy, Vol. 19, pp. 331–333, 1977.

Dogniaux R. , The Availability of Daylight, CIE Technical Report NR, Prepared for the Daylighting Committee of the International Commission on Illumination (CIE), 1975.

Nagata A. , “Luminance Distribution of Clear Sky and the Resultant Horizontal Illuminance,” International Daylighting Conference, Phoenix, February, 1983.

Gillette G. , Pierpoint W. , Treado S. , “A General Illuminance Model for Daylight Availability,” Journal of the Illuminating Engineering Society, Vol. 13, No. 4, pp. 330–339, July 1984.

Kimball H. H. Hand I. F. “Daylight Illumination on Horizontal, Vertical, and Sloping Surfaces,” Monthly Weather Review, Vol. 50, No. 12, pp. 615–628, December 1922.

Gillette G. , Treado S. , “Correlations of Solar Irradiance and Daylight Illuminance for Building Energy Analysis,” presented at the ASHRAE Semi-Annual Conference, Chicago, January 1985.

Gillette G. , A Daylighting Model for Building Energy Simulation, NBS Building Science Series 152, National Bureau of Standards, March 1983.

“Recommended Practice for the Calculation of Daylight Availability,” Journal of the Illuminating Engineering Society, Vol. 13, No. 4, pp. 381–392, 1984.