@book { Undroitdesmorales,
    title = "Un droit, des morales",
    subtitle = "Valoriser l’État laïque",
    author = "Paul {Löwenthal}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1104487"
}