1. Anstis, S. M. Visual adaptations to gradual changes of intensity.Science, 1967,155, 710–712.
2. Arend, L. E., Buehler, J. N., &Lockhead, G. R. Difference information in brightness perception.Perception & Psychophysics, 1971,9, 367–370.
3. Campbell, F. W., Howell, E. R., &Robson, J. G. The appearance of gratings with and without fundamental Fourier component.Journal of Physiology, 1971,17, 17–18.
4. Cornsweet, T. N. Visual perception. New York: Academic Press, 1970.
5. Craik, K. J. W. Visual adapration. PhD thesis, University of Cambridge, 1940.