@book { Ledroitinstitutionneldelascuritintrieureeuropenne,
    title = "Le droit institutionnel de la sécurité intérieure européenne",
    author = "Pierre {Berthelet}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1094967"
}