@book { HelfenPraxistagebeiderBerufswahl,
    title = "Helfen Praxistage bei der Berufswahl?",
    author = "Lothar {Beinke}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01131-9",
    url = "https://www.peterlang.com/document/1054029"
}