@book { DerHorizonteinesSchreibers,
    title = "Der Horizont eines Schreibers",
    subtitle = "Jón Eggertsson (1643-89) und seine Handschriften",
    author = "Regina {Jucknies}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107202"
}