@book { HistoryofVocationalEducationandTraininginEurope,
    title = "History of Vocational Education and Training in Europe",
    author = "Esther {Berner} and Philipp {Gonon}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1054527"
}