@book { DasAlterinderLiteraturfrjungeLeser,
    title = "Das Alter in der Literatur für junge Leser",
    author = "Elisabeth {Pries-Kümmel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099074"
}