 | Ron Johnston, Michael Williams, British Academy - 2003 - 722 páginas
...(1973) Spatial Structures: Introducing the Study of Spatial Systems in Human Geography. London: Methuen. Johnston, RJ (1975) Map pattern and friction of distance parameters: a comment. Regional Studies, 9, 281-3. Johnston, RJ (1976) The World Trade System: Some Enquiries into its Spatial Structure. London:... | |
Map pattern and friction of distance parameters: a comment... 