@book { InnovationenimFremdsprachenunterricht2,
    title = "Innovationen im Fremdsprachenunterricht 2",
    author = "Brigitte {Krück} and Kristiane {Loeser}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093978"
}