@book { JosephAntonGall,
    title = "Joseph Anton Gall",
    subtitle = "Josephiner auf dem Bischofsstuhl",
    author = "Siegfried {Pichl}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101910"
}