@book { TheDecayofaLanguage,
    title = "The Decay of a Language",
    subtitle = "The Case of a German Dialect in the Italian Alps",
    author = "Silvia {Dal Negro}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096864"
}