1. Neurological evaluation of the maturity of newborn infants;Amiel-Tison;Archives of Disease in Childhood,1968
2. Criteria for a tenable theory of form perception;Attneave,1967
3. The relations of short-term memory to development and intelligence;Belmont,1969
4. Conflict, arousal and curiosity;Berlyne,1960
5. Perception of form by the human infant;Bond;Psychological Bulletin,1972