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Monitoring systems for goods transport : report of the 74. Round Table on Transport Economics, held in Paris on 4th - 5th December 1986 ...
(1987)
Changes in transport user's motivations for modal choice : freight transport ; report
(1985)
Regionale Erschliessung und Güterverkehr : analyse ausgewählter Zusammenhänge
Noortman, H. J., (1972)