@book { BalthasarKaltner,
    title = "Balthasar Kaltner",
    subtitle = "Kanonist und (Erz-)Bischof an der Schwelle einer folgenschweren Wendezeit (1844-1918)",
    author = "Gerlinde {Katzinger}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103471"
}