@book { AreEuropeanVocationalSystemsuptotheJob,
    title = "Are European Vocational Systems up to the Job?",
    subtitle = "Evaluation in European Vocational Systems",
    author = "Klaus {Breuer} and Klaus {Beck}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094023"
}