BenderL.Specific reading disability as a maturational lag. Bulletin of the Orton Society, 1957; 7, 9–18.
2.
ColemanJ. C.Perceptual retardation in reading disability. Perceptual & Motor Skills, 1959; 9, 117.
3.
LaheyB. B., & McNeesM. P.Letter discrimination errors in kindergarten through third grade: Assessment and operant training. Journal of Special Education, 1975; 9(2), 191–199.
4.
LyleJ. G.Reading retardation and reversal tendency: A factorial study. Child Development, 1969; 40, 833–843.
5.
LyleJ. G., & GoyenJ.Visual recognition, development lag, and strephosymbolia in reading retardation. Journal of Abnormal Psychology, 1968; 73, 25–29.
6.
SilverA. A.HaginR. A., & HerschM. F.Reading disability: Teaching through stimulation of deficit perceptual areas. American Journal of Orthopsychiatry, 1967; 37, 744–752.
7.
VernonM. D.Backwardness in reading: A study of its nature and origin.Cambridge: Harvard University Press, 1957.
8.
WechslerD., & HaginR. A.The problem of axial rotation in reading disability. Perceptual & Motor Skills, 1964; 19, 319–326.
