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Statistisches Jahrbuch Verkehr, Nachrichtenübermittlung, Reiseverkehr
Verkehr, Nachrichtenübermittlung, Reiseverkehr : statistisches Jahrbuch
Liberalisation of network industries : economic implications and main policy issues
Ilzkovitz, Fabienne, (1999)
Future challenges to European transport and their repercussions on transport R&D
Holst, Olav, (1983)
Accessibility as the objective of public transportation planning : an integrated transportation and land use model
Holst, Olav, (1979)
A long-term analysis of transport in Europe: Some implications for transport policy and research
Holst, Olav, (1982)