@book { WeiterbildungsbeteiligungimTrend,
    title = "Weiterbildungsbeteiligung im Trend",
    author = "Sarah {Widany}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04859-9",
    url = "https://www.peterlang.com/document/1048510"
}