@book { PerspektivenvielfaltimLiteraturunterricht,
    title = "Perspektivenvielfalt im Literaturunterricht",
    author = "Katja {Siepmann}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15995",
    url = "https://www.peterlang.com/document/1110954"
}