@book { Leportraitindividuel,
    title = "Le portrait individuel",
    subtitle = "Réflexions autour d’une forme de représentation XIII e -XV e  siècles",
    author = "Dominic {Olariu}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0352-0108-6",
    url = "https://www.peterlang.com/document/1051894"
}