@book { GlaubeundDenken,
    title = "Glaube und Denken",
    subtitle = "Jahrbuch der Karl-Heim-Gesellschaft- 12. Jahrgang 1999",
    author = "Hans {Schwarz}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088951"
}