1. CCNR (2020) “Act now!” on low water and effects on Rhine navigation. https://www.ccr-zkr.org/files/documents/workshops/wrshp261119/ien20_06en.pdf. Accessed 24 Nov 2020
2. CESNI (2021) European Standard laying down technical requirements for inland navigation vessels
3. European Commission (2019) The European Green Deal, Bruxelles
4. Fastenbauer M et al (2019) Manual on Danube Navigation, 4th edn. Viadonau, Vienna
5. Gronalt M, et al. (2010) Handbuch Intermodaler Verkehr. Kombinierter Verkehr: Straße - Schiene - Binnenwasserstraße. Bohmann