@book { Manchmalmusstduspringen, title = "Manchmal musst du springen", subtitle = "Beziehungsgeschichten aus Schleswig-Holstein", author = "Gundolf {Hansen}", year = "2016", publisher = "Bedey Media GmbH", address = "Hamburg, Deutschland", url = "https://kaderaverlag.openpublishing.com/document/318355" }