1. How a population ages or grows younger;Coale,1964
2. America's elderly in the 1980s;Soldo,1980
3. Demographic and socioeconomic aspects of aging in the United States;U.S. Bureau of the Census,1984
4. Future age projections and society;Myers,1981
5. A dynamic model of population aging and health status change: Implications for development and implementation of national health policy.;Manton,1983