@book { RedegebildeoderZufallsstreuung,
    title = "Redegebilde oder Zufallsstreuung?",
    author = "Irmgard {Mahnken}",
    year = "1962",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b14196",
    url = "https://www.peterlang.com/document/1073562"
}