@book { VerantwortungderFreiheit,
    title = "Verantwortung der Freiheit",
    subtitle = "Eine hermeneutische Untersuchung zum Problem theologischen Umganges mit Wirklichkeit",
    author = " {Roland Mahler}",
    year = "1993",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1082538"
}