1. Altshuler, K. Studies of the deaf. American Journal of Psychiatry, 1971, 127, 1521–1532.
2. Arthur, G. The Arthur adaptation of the Leiter scale. Washington, D.C.: The Psychological Service Center Press, 1952.
3. Ballinger, J., Diseases of the nose, throat and ear (12th ed.). Philadelphia: Lea & Febriger, 1977.
4. Bayley, N. Bayley scales of infant development. New York: The Psychological Corporation, 1969.
5. Bender, L. Visual motor gestalt test. New York: American Orthopsychiatric Association, 1946.