References
- BlackwellH. R., “Development and Use of a Quantitative Method for Specification of Interior Illumination Levels on the Basis of Performance Data”, Illuminating Engineering, Vol. 54, June 1959, p. 317.
- BlackwellH. R., “A More Complete Quantitative Method for Specification of Interior Illumination Levels on the Basis of Performance Data”, Illuminating Engineering, Vol. 64, April 1969, Section I, P. 289.
- WestonH. C., “On Age and Illumination in Relation to Visual Performance”, Transactions of the Illuminating Engineering Society (London), Vol. 14, 1949, p. 281.
- BalderJ. J. and FortuinG. J., “The Influence of Time of Observation on the Visibility of Stationary Objects”, Compte Rendu, 13th Session of the Commission Internationale de l'Eclairage, Vol. 1, 1955, p. 12.
- GuthS. K., “Effects of Age on Visibility”, American Journal of Optometry and Archives Academy of Optometry, Monograph 218, 1957, p. 15.
- BlackwellH. R., “Studies of Psychophysical Methods for Measuring Visual Thresholds”, Journal of the Optical Society of America, Vol. 42, 1952, p. 606.
- BlackwellH. R., “Contrast Thresholds of the Human Eye”, Journal of the Optical Society of America, Vol. 36, 1946, p. 624.
- BlackwellH. R. and TaylorJ. H., “A Consolidated Set of Foveal Contrast Thresholds for Normal Human Binocular Vision”, Ohio State University, and University of California, San Diego Report, 1970.
- BlackwellH. R., “Psychophysical Threshold: Experimental Studies of Methods of Measurement”, Engineering Research Bulletin No. 36, University of Michigan, 1953, p. 227.
- GuthS. K. and McNelisJ. F., “Visual Performance-Subjective Differences”, Illuminating Engineering, Vol. 64, December 1969, p. 723.