@book { MultilingualismandMobilityinEurope,
    title = "Multilingualism and Mobility in Europe",
    author = "Kristine {Horner} and Ingrid {de Saint-Georges} and Jean-Jacques {Weber}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03938-2",
    url = "https://www.peterlang.com/document/1048215"
}