@book { MichaelFreund,
    title = "Michael Freund",
    subtitle = "Wissenschaft und Politik (1945-1965)",
    author = "Birte {Meinschien}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01478-5",
    url = "https://www.peterlang.com/document/1045988"
}