@misc{ 0-1611172055, title = {Das Ruhrtal: Wasserwanderkarte Hagen, Herdecke, Wetter, Witten, Bochum, Hattingen, Essen}, address = {Essen}, publisher = {Klartext}, year = {2007}, edition = {4. Aufl.}, isbn = {3898614379}, language = {German}, note = {Mit Texten und Nebenkt}, url = {https://katalog.ub.tu-freiberg.de/Record/0-1611172055} }