@book { DulagLuftAuswertestelleWest,
    title = "Dulag Luft / Auswertestelle West",
    author = "Stefan {Geck}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105247"
}