@book { SoziokonomiederErwachsenenbildung,
    title = "Sozioökonomie der Erwachsenenbildung",
    subtitle = "Eine empirische Untersuchung bayerischer Volkshochschulen",
    author = "Horst {Hanusch} and Mathias {Unferdorben-Kiebler}",
    year = "1982",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1071913"
}