@book { ImLichtnetz,
    title = "Im Lichtnetz",
    subtitle = "Gedichte aus drei Jahrzehnten",
    author = "Johann Christoph {Bürgel}",
    year = "1983",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1070780"
}