@book { MichaelGeorgConradParis18781882,
    title = "Michael Georg Conrad à Paris (1878-1882)",
    author = "Michel {Durand}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096936"
}