1. Applied behavior analysis;Baer,1982
2. The development of infants' physical reasoning;Baillargeon,1995
3. Instructional control of human operant behavior;Baron;Psychological Record,1983
4. Structure and direction in thinking;Berlyne,1965
5. Infants' perception of biomechanical motions: Intrinsic image and knowledge-based constraints;Bertenthal,1993