@book { DieWallonieundBrssel,
    title = "Die Wallonie und Brüssel",
    author = "Anne {Begenat-Neuschäfer} and Marieke {Gillessen}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06361-5",
    url = "https://www.peterlang.com/document/1049737"
}