References
- Coren , S. and Ward , L. M. 1989 . Sensation and perception, , 3rd ed. , San Diego : Harcourt Brace Jovanovich .
- Gauld , A. 1975 . A note on inappropriate constancy-scaling and the Muller-Lyer illusion . British Journal of Psychology , 66 : 307 – 309 .
- Gleitman , H. J. 1991 . Psychology, , 3rd ed. , New York : Norton .
- Goldstein , E. B. 1984 . Sensation and perception, , 2nd ed. , Belmont, CA : Wadsworth .
- Gray , P. 1991 . Psychology , New York : Worth .
- Gregory , R. L. 1963 . Distortion of visual space as inappropriate constancy scaling . Nature , 199 : 678 – 680 .
- Gregory , R. L. 1968 . Visual illusions . Scientific American , 219 : 66 – 76 .
- Gregory , R. L. 1990 . Eye and brain: The psychology of seeing, , 4th ed. , Princeton, NJ : Princeton University Press .
- von Helmholtz , H. 1866 . Treatise in physiological optics , New York : Dover .
- Rock , I. 1975 . An introduction to perception , New York : Macmillan .