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Farmers' expenditures for motor vehicles and machinery with related data, 1955
Kendall, Albert R., (1959)
International price discrimination in the European car market : an econometric model of oligopoly behavior with product differentiation
Verboven, Frank, (1994)
Selektiver Vertrieb, Wettbewerb, Verbraucher und europäische Integration am Beispiel der Absatzsysteme der Automobilindustrie
Hiller, Eugen, (1993)