1. Transportation and land use in the mature metropolis;Anas,1978
2. Capital labor substitution and economic efficiency;Arrow;Rev. Econ. Stat.,1961
3. Macroeconomics of unbalanced growth: The anatomy of urban crisis;Baumol;Amer. Econ. Rev.,1967
4. The recent shift of United States population to nonmetropolitan areas, 1970–1975;Beale;Int. Reg. Sci. Rev.,1977
5. The population turnaround in rural small-town America;Beale,1982