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Spatial analysis : a reader in statistical geography
Berry, Brian Joe Lobley, (1968)
Esbozos para la monografía de la provincia de Contumazá
Zárate, Fidel A., (1950)
Anglo-America : a regional geography of the united States and Canada
Griffin, Paul F., (1962)
Contributions of its southern neighbors to the underdevelopment of the maritime provinces area, 1710-1867
Clark, Andrew Hill, (1972)