@book { DelespritdelaRsistancejusqulidedelEurope,
    title = "De l’esprit de la Résistance jusqu’à l’idée de l’Europe",
    author = "Veronika {Heyde}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1135325"
}