References
- Education for All Handicapped Children Act, Public Law 94–142. U.S. Congress, 1975.
- Education of the Handicapped Act Amendments of 1986, Public Law 99–457. U.S. Congress, 1986.
- Individuals with Disabilities Education Act Amendments of 1991, Public Law 102–119. U.S. Congress, 1991.
- Gibson JJ. The Ecological Approach to Visual Perception. Boston, MA: Houghton Mifflin; 1979.
- Gibson EJ, Spelke ES. The development of perception. In: Mussen PH, ed. Handbook of Child Psychology. 4th ed. New York, NY: Wiley & Sons; 1983:Vol III:1–76.
- Yonas A, Hartman B. Perceiving the affordance of contact in four-and five-month-old infants. Child Dev. 1993;64:298–308.
- Americans With Disabilities Act (signed into law July 26, 1990). Rules and regulations, PartsFederal Register. July 26, 1991.