Brush, J.E. (1968). Spatial patterns of populations in Indian cities . Geographical Review, Vol. 58: 362-391.
2.
Clark, C. (1968). Population Growth and Land Use. New York: St. Martin's Press.
3.
Clark, C. (1951). Urban population densities. Journal of the Royal Statistical Society, Vol. 114: 490-496.
4.
Edmonston, B. (1975). Population Distribution in American Cities. Lexington: Lexington Books.
5.
Frankena, M. (1978). A bias in estimating urban population density functions. Journal of Urban Economics, Vol. 5: 35-45.
6.
Greene, D. and Barnbrock, J. (1978). A note on problems in estimating exponential urban density models. Journal of Urban Economics, Vol. 5: 285-290.
7.
Ingram, G. and Carroll, A. (forthcoming). The spatial structure of Latin American cities. Journal of Urban Economics.
8.
Mills, E.S. (1972). Urban Economics. Glenview: Scott, Foresman and Co.
9.
Mills, E.S. (1972). Studies in the Structure of the Urban Economy . Baltimore: Johns Hopkins Press for Resources for the Future.
10.
Mills, E.S. and Ohta, K. (1976). Urbanization and urban problems. In H. Patrick and H. Rosovsky (eds.), Asia's New Giant, pp. 673-751. Washington : Brookings Institution.
11.
Mills, E.S. and Song, B.N. (1979). Korea's Urbanization and Urban Problems 1945-1975 . Cambridge: Harvard University Press.
12.
Muth, R. (1969). Cities and Housing. Chicago : University of Chicago Press.
13.
Newling, B.F. (1966). Urban growth and spatial structure: mathematical models and empirical structure. Geographical Review, Vol. 56: 213-225.
14.
United Nations (1971). DemographicYearbook. New York: United Nations.