1. BENUSSI, V. Zur psychologie der gestalterfassens. In R. S. Woodworth and H. Schlosberg, Experimental psychology. New York: Holt, Rinehart, & Winston, 1954.
2. BIRREN, J. (Ed.), Handbook of aging and the individual Chicago: University of Chicago Press, 1959.
3. EYSENCK, H. J., & SLATER, P. Effects of practice and rest on fluctuations in the Müller-Lyer illusion. British Journal of Psychology, 1958, 49, 246–256.
4. GIBSON, J. J., & GIBSON, E. J. Perceptual learning: Differentiation or enrichment? Psychological Review, 1955, 62, 33–40.
5. KÖHLER, W., & Fishback, J. The destruction of the Müller-Lyer illusion in repeated trials: I. An examination of two theories. II. Satiation patterns and memory traces. Journal of Experimental Psychology, 1950, 40, 267–281, 398–410.