@book { BulatOkudavaunddiekritischeLiteraturberdenKrieg,
    title = "Bulat Okudžava und die kritische Literatur über den Krieg",
    author = "Karl-Dieter van {Ackern}",
    year = "1976",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12777",
    url = "https://www.peterlang.com/document/1067160"
}