1. Neurological assessment during the first year of life;Amiel-Tison,1986
2. Bayley Scales of Infant Development;Bayley,1969
3. A systems approach to the organizing effect of self-produced locomotion during infancy;Bertenthal,1991
4. Visually preadapted constituents of manipulatory action;Bruner;Perception,1972
5. Infants' perception of auditory space;Clifton;Developmental Psychology,1991