1. Reaction time and mental retardation;Baumeister,1968
2. Individual differences in memory: The case of normal and retarded development;Belmont,1978
3. What the development of short-term memory is;Belmont;Human Development,1971
4. The instructional approach to developmental cognitive research;Belmont,1977
5. Maintenance and generalization of skills and strategies by the retarded;Borkowski,1979