@book { DrErnstBiesten18841953,
    title = "Dr. Ernst Biesten (1884-1953)",
    subtitle = "Demokrat in vier Epochen",
    author = "Joachim {Hennig}",
    year = "1996",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1083800"
}