@book { RecueildesinstructionsauxambassadeursetministresdeFrance,
    title = "Recueil des instructions aux ambassadeurs et ministres de France",
    subtitle = "Des Traités de Westphalie jusqu’à la Révolution française- XXXI Principauté de Liège",
    author = "Bruno {Demoulin}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1102664"
}