BerláE. P. (1982). Haptic perception of tangible graphic displays. In SchiffW. & FoulkeE. (Eds.), Tactual perception: A source book (pp. 384–386). Cambridge, England: Cambridge University Press.
2.
FisherG. H. (1966). A tactile Poggendorff illusion. Nature, 1, 105–106.
3.
FraisseP., & PiagetJ. (1973). La percepción.Buenos Aires: Paidós.
4.
HellerM. A., CalcaterraJ. A., BursonL. L., & GreenS. L. (1997). The tactual horizontal-vertical illusion depends on radial motion of the entire arm. Perception and Psycho-physics, 59, 1298–1311.
5.
HellerM. A., & JoynerT. D. (1993). Mechanisms in the haptic horizontal-vertical illusion: Evidence from sighted and blind subjects. Perception and Psychophysics, 53, 422–428.
6.
OverR. (1966). Context and movements as factors influencing haptic illusions. Australian Journal of Psychology, 18, 262–265.
7.
OverR. (1968). Explanations of geometrical illusions. Psychological Bulletin, 70, 545–562.
8.
PattersonJ., & DeffenbacherK. (1972). Haptic perception of the Müller-Lyer illusion by the blind. Perceptual and Motor Skills, 35, 819–824.
9.
RévészG. (1934). System der optischen und haptischen raumtauschungen [A system of optic and haptic space illusions.] Zeistschrift fur Psychologie, 131, 296–375.
10.
TedfordW. H., & TudorL. L. (1969). Tactual and visual illusions in the T-shaped figure. Journal of Experimental Psychology, 81, 199–201.
