@book { SprachenfrEuropaMehrsprachigkeitalsChanceLanguagesforEuropeMultilingualismasaChance,
    title = "Sprache(n) für Europa. Mehrsprachigkeit als Chance / Language(s) for Europe. Multilingualism as a Chance",
    author = "Jürg {Strässler}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15022",
    url = "https://www.peterlang.com/document/1056835"
}