@book { Stahlwlfe01Zombietrail,
    title = "Stahlwölfe 01: Zombietrail",
    author = "Cico {Cavca}",
    year = "2020",
    publisher = "Blitz-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1021032"
}