1. Technological forecasting and long-range planning;Ayres,1968
2. Cohort effects in developmental psychology;Baltes,1978
3. The myth of the twilight years;Baltes;Psychology Today,1974
4. On the plasticity of intelligence in adulthood and old age: Where Horn and Donaldson fail;Baltes;American Psychologist,1976
5. Toward psychological theories of aging and development;Baltes,1977