@book { PeterHrtlingsHlderlin,
    title = "Peter Härtlings Hölderlin",
    author = "Hildegard {Fritsch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1073459"
}