@book { StruwwelpeterundStruwwelpetriaden,
    title = "Struwwelpeter und Struwwelpetriaden",
    author = "Karl {Riha}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1109222"
}