@book { AktiveVaterschaft,
    title = "Aktive Vaterschaft",
    subtitle = "Perspektiven nichttraditioneller Geschlechterarrangements in der Kindererziehung",
    author = "Thorsten {Büttner}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/216854"
}