@book { AusWundertteundZauberkasten,
    title = "Aus «Wundertüte» und «Zauberkasten»",
    author = "Henner {Barthel} and Jürgen {Beckmann} and Helmut {Deck} and Gerhard {Fieguth}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089589"
}