1. Cognitive psychology and its implications;Anderson,1980
2. Remembering a study in experimental and social psychology;Bartlett,1932
3. Perceptual development: Stability and change in feature perception;Bornstein,1979
4. Infant perception of the invariant shape of an object varying in slant;Caron;Child Development,1979
5. Concept acquisition in the human infant;Cohen;Child Development,1979