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The transportation act of 1958 : a decade of experience
Hilton, George W., (1969)
Transportation between nations and its effects on development
Najafi, Fazil T., (1976)
Das schweizerische Autotransportgewerbe und seine Probleme im Spannungsfeld der EWG
Bartlome, Hansueli, (1967)
The allocation of goods traffic between road and rail
Sharp, C. H., (1959)
The choice between cars and buses on urban roads
Sharp, C. H., (1967)
"Congestion and welfare" reconsidered
Sharp, C. H., (1968)