1. Fiorello, D., De Stasio, C., Köhler, J., Kraft, M., Newton, S., Purwanto, J., Schade, B., Schade, W., Szimba, E., 2009. iTREN-2030 6th RTD EU Program, Deliverable 4. .
2. GLOWA-DANUBE PROJECT, 2010. Global Change Atlas. Einzugsgebiet Obere Donau, LMU München (Hrsg.), Munich.
3. Modal-splits effects of climate change: the effect of low water levels on the competitive position of inland waterway transport in the River Rhine area;Jonkeren;Transportation Research Part A,2011
4. Jourquin, B., 1995. Un outil d’analyse économique des transports de marchandises sur des réseaux multimodaux et multi-produits. Le réseau virtuel: concept méthodes et applications, PhD thesis, Facultés Universitaires Catholiques de Mons, Mons.
5. Transportation policy analysis with a GIS: the virtual network of freight transportation in Europe;Jourquin;Transportation Research Part C,1996