References
- IES Lighting Handbook, Fifth Edition, Illuminating Engineering Society, New York, N.Y., 1972.
- BlackwellH. R. and HelmsR. N., “Application Procedures for Evaluation of Veiling Reflections in Terms of ESI: I. General Principles”, Journal of the Illuminating Engineering Society, Vol. 2, No. 3, April 1973, p. 230.
- BlackwellH. R., “Measurement of the Contrast Rendition Factor for Pencil Handwritten Tasks”, Illuminating Engineering, Vol. 65, April 1970, p. 199.
- NicodemusF. E., “Reflectance Nomenclature and Directional Reflectance and Emissivity”, Applied Optics, Vol. 9, 1970, p. 1474.
- HelmsR. N., “Evaluation of the Visual Effectiveness of Selected Luminous Environments by the RCS Method”, Doctoral Dissertation, Ohio State University, Columbus, Ohio, 1971, 110 pp.
- BlackwellH. R.,HelmsR. N., and DiLauraD. L., “Application Procedures for Evaluation of Veiling Reflections in Terms of ESI: III. Validation of a Predetermination Method for Luminaire Installations”, Journal of the Illuminating Engineering Society, Vol. 2, No. 3, April 1973, p. 284.