@book { EberhardGeorgOttoFreiherrvonKnberg18811941,
    title = "Eberhard Georg Otto Freiherr von Künßberg (1881-1941)",
    author = "Rene {Schorsch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1136080"
}