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Cross-border activities, taxation and the European single market.
Bode, Eckhardt, (1994)
Cross-border activities, taxation and the European single market
Arbejdssted--bopæl på roder 1970
(1975)
Regional database for erhvervsstrukturen i Danmark 1950 - 82
Madsen, Peter A., (1987)
Relative measures of localization and concentration
Madsen, Peter A., (1979)
Den regionale udvikling af erhvervsstrukturen i Danmark 1901 - 76