@book { BerufswissenschaftlicheForschung,
    title = "Berufswissenschaftliche Forschung",
    author = "Matthias {Becker} and Georg {Spöttl}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05511-5",
    url = "https://www.peterlang.com/document/1054033"
}