@book { DerPreuischeLandeseisenbahnrat1882bis1922,
    title = "Der Preußische Landeseisenbahnrat (1882 bis 1922)",
    author = "Jürgen {Seffzig}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094154"
}