http://podcasts.ricksteves.com/pdfs/germany-rhine.pdf,
https://hookedoncruising.com/wp-content/uploads/2015/12/Castles-Along-the-Rhine.pdf,
https://shop.digicelgroup.com/vpreparee/yy/97Y9Y12734260427/traisep/the__rhine__river__travel-journal.pdf,
https://wfsu.org/support/pdfs/wfsu-rhine-moselle-brochure-2023.pdf,
https://www.iksr.org/fileadmin/user_upload/DKDM/Dokumente/Broschueren/EN/bro_En_2016_The_Rhine_for_beginners.pdf,
https://www.wittetravel.com/wp-content/uploads/2024/04/052425BARE-Rhine-River-Cruise.pdf,
https://hamdenregionalchamber.com/wp-content/uploads/2019/09/Rhine-River-2020-small-2.pdf,
https://podcasts.ricksteves.com/pdfs/easy-access-europe/18_RSEZA06_Rhine.pdf,
https://www.ancientportsantiques.com/wp-content/uploads/Documents/PLACES/UK-EUNorth/RhineDE-Gerlach2022.pdf,
https://hamdenregionalchamber.com/wp-content/uploads/2019/09/Rhine-River-2020-small-2.pdf,
https://www.uoflalumni.org/s/1157/images/editor_documents/travel/brochure_final_moselle-rhine-v8.pdf,
https://www.amawaterways.com/Assets/pdf/Rhine_Main_Moselle_Social_Media_Toolkit_US.pdf,
https://brittany-remington-tamp.squarespace.com/s/The-Rhine-Moselle-Canals-Vineyards-and-Castles.pdf,
https://www.eo.travelwithus.com/files/uploads/rc14_44027_maness.pdf,
https://www.sedimentologie.uni-freiburg.de/staff/Preusser2008NJG.pdf,
https://www.satoc.eu/projects/hydrocoastal/docs/Hydrocoastal_WP3330_UBonn_CaseStudies_IW.pdf,
https://www.uky.edu/Alumni/web/2024/RhineSaarMoselle_051624_Kentucky.pdf,
https://digitalrepository.unm.edu/cgi/viewcontent.cgi?article=2304&context=nrj,
https://www.ircwash.org/sites/default/files/210-97IN-15804.pdf,
https://unece.org/fileadmin/DAM/env/documents/2019/WAT/12Dec_4-5_Global_Workshop_on_Data_Exchange/S2.3_Diehl_PPTTransboundary_Data_Exchange_in_the_Rhine_River_Basin_printed.pdf,
https://www.kielinstitut.de/fileadmin/Dateiverwaltung/IfW-Publications/fis-import/d0c53966-8307-4bff-9cf9-13544afe7d80-KWP_2155_low_water_econ_activity.pdf,
https://egusphere.copernicus.org/preprints/2025/egusphere-2025-3988/egusphere-2025-3988.pdf,
https://ernie.uva.nl/upload/media/08b5d331dbd8e9157f61e017c52bf7af.pdf,
https://file.wingon-travel.com/files/6/ibt_rbs_lbs/2141w12000oczw02yC00D.pdf,
https://www.un.org/sites/un2.un.org/files/2020/09/run-of-river_hydropower_generation-_modernization_and_capacity_expansion_at_iffezheim_barrage_rhine_river.pdf,
https://www.iksr.org/fileadmin/user_upload/DKDM/Dokumente/Broschueren/EN/bro_En_2040_long.pdf,
https://www.ssoar.info/ssoar/bitstream/handle/document/32650/ssoar-balticreg-2012-2-grazhdankin-The_role_of_the_river.pdf?sequence=1,
https://joaniemaddencruise.com/wp-content/uploads/2024-Rhine-River-Excursion-03022024.pdf,
https://presidentscounciltravel.com/wp-content/uploads/2017/05/Germanys-River-NG-March-2000.pdf,