@book { OrganisationinnerparteilicherWillensbildung,
    title = "Organisation innerparteilicher Willensbildung",
    subtitle = "Satzungen und innerparteiliche Demokratie",
    author = "Ursula {Heinz}",
    year = "1987",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075942"
}