1. Lectures on functional equations and their applications;Aczél,1966
2. A short course on functional equations based upon recent applications to the social and behavioral sciences;Aczél,1987
3. Metric geometry in human binocular perception: Theory and fact;Blank,1978
4. Untersuchungen über die scheinbare Grße im Sehraume;Blumenfeld;Zeitschrift für Psychologie,1913
5. Elements of psychophysical theory;Falmagne,1985