@book { KarlRenner,
    title = "Karl Renner",
    subtitle = "Politik und Religion</I>- Die Religionsfrage als Frage der Demokratie",
    author = "Tommaso {La Rocca}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095748"
}