@book { Medienkarrieren,
    title = "Medienkarrieren",
    subtitle = "Biografische Studien über Hamburger Nachkriegsjournalisten 1946-1949",
    author = "Christian {Sonntag}",
    year = "2006",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1102249"
}