@book { Kunstderkonomie,
    title = "Kunst der Ökonomie",
    subtitle = "Die Beobachtung der Wirtschaft in G. Kellers Roman Der grüne Heinrich",
    author = "Karolina {Brock}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103700"
}