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Employment, income and population sub model
Leven, Charles L., (1964)
A model of metropolis
Lowry, Ira S., (1964)
Neighborhood revitalization : theory and practice
Ahlbrandt, Roger Sheridan, (1975)
The spatial variation of urban population densities
Newling, Bruce E., (1969)
Urban growth and spatial structure: Mathematical models and empirical evidence
Newling, Bruce E., (1966)