@book { Entrelemuseetlemarch,
    title = "Entre le musée et le marché",
    subtitle = "Heinrich Angst : collectionneur, marchand et premier directeur du Musée national suisse",
    author = "Chantal {Lafontant Vallotton}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1102589"
}