@book { MittenimTodvomLebenumfangen,
    title = "«Mitten im Tod - vom Leben umfangen»",
    author = "Theo {Sundermeier}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1076662"
}