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La carta commerciale d'Italia : con le sue 414 aree e subaree di attrazione del commercio al dettaglio e le relative quote di mercato
Tagliacarne, G., (1960)
Regional geography : theory and practice
Minshull, Roger, (1967)
Spatial analysis : a reader in statistical geography
Berry, Brian Joe Lobley, (1968)
Air transportation and United States urban distribution
Taaffe, Edward J., (1956)
The spatial view in context
Taaffe, Edward J., (1974)
The urban hierarchy: an air passenger definition
Taaffe, Edward J., (1962)