@book { AmRandeseinerselbst,
    title = "«Am Rande seiner selbst»",
    subtitle = "Zu Paul Celan: EINEM, DER VOR DER TÜR STAND, ...",
    author = "Ingeborg {Ackermann}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096355"
}