Uehlinger, Urs; Wantzen, Karl; Leuven, Rob S.E.W.; Arndt, Hartmut (2009). "The Rhine River Basin". In Tockner, Klement; Uehlinger, Urs; Robinson, Christopher T. (eds.). Rivers of Europe. Academic Press. pp. 238–239. doi:10.1016/B978-0-12-369449-2.00006-0. ISBN9780123694492. S2CID16401687.
Uehlinger, Urs; Wantzen, Karl; Leuven, Rob S.E.W.; Arndt, Hartmut (2009). "The Rhine River Basin". In Tockner, Klement; Uehlinger, Urs; Robinson, Christopher T. (eds.). Rivers of Europe. Academic Press. pp. 238–239. doi:10.1016/B978-0-12-369449-2.00006-0. ISBN9780123694492. S2CID16401687.
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"Daten und Fakten" [Facts and figures] (in German). Wasser- und Schifffahrtsdirektion Süd. June 2003. Archived from the original on 13 June 2013. Retrieved 7 June 2009.
"Daten und Fakten" [Facts and figures] (in German). Wasser- und Schifffahrtsdirektion Süd. June 2003. Archived from the original on 13 June 2013. Retrieved 7 June 2009.