1. Central Commission for the Navigation of the Rhine (2013) The inland navigation market in 2012
2. Rigo P, Wolters M (2013) In: Rigo P, Wolters M (eds) PIANC - SMART rivers conference 2013, PIANC, Liège, Belgium and Maastricht, The Netherlands
3. International Maritime Organization (2002) Standards for ship manoeuvrability. Resolution MSC.137(76). Accessed 4 Dec 2002
4. International Maritime Organization (2002) Explanatory notes to the standards for ship manoeuvrability. MSC/Circ.1053. Accessed 16 Dec 2012
5. Central Commission for the Navigation of the Rhine (1995) The Rhine vessel inspection regulations