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Alonso, William, Brian Joe Lobley 1934 Berry, Blumenfeld Hans 1892-1988, Christopher Board, and John R. Borchert. Systems of Cities: Readings On Structure, Growth, and Policy. New York: Oxford University Press, 1978.

Alonso, William, et al. Systems of Cities: Readings On Structure, Growth, and Policy. New York: Oxford University Press, 1978.