@book { DeutscheBesinnungen19111971,
    title = "Deutsche Besinnungen 1911-1971",
    author = "Gertrud {Lütgemeier}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105112"
}