@book { RufDerBlutendenSeelen,
    title = "Ruf Der Blutenden Seelen",
    author = "M.E. {Preiß}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1319642"
}