World transport research : proceedings of 7th World Conference on Transport Research /

Bằng World Conference on Transport Research, Hensher, David A., King, Jenny., Oum, Tae Hoon.
Được phát hành 1996.

World transport research : proceedings of 8th World Conference on Transport Research /

Bằng World Conference on Transport Research, Meersman, Hilde., WCTR Society., Voorde, E. van de, Winkelmans, Willy
Được phát hành 1999.

World transport research : proceedings of 8th World Conference on Transport Research /

Bằng World Conference on Transport Research, Meersman, Hilde., Voorde, E. van de, Winkelmans, Willy, WCTR Society.
Được phát hành 1999.