References
- McClureP. J., and WestE. J., “Sales Effects of a New Counter Display”, Journal of Advertising Research, Vol. 9, 1969, p. 29.
- BartonM.,SpivackM., and PowellP., “The Effect of Angle of Light on the Recognition and Evaluation of Faces, Journal of the Illuminating Engineering Society, Vol. 1, No. 3, April 1972, p. 231.
- LynesJ. A., Principles of Natural Lighting, Elsevier Publishing Co., New York, N. Y., 1968, p. 160.
- NunnalyJ. C., Psychometric Theory, McGraw-Hill Book Co., New York, N. Y., 1967.