@book { RechtlicheProblemederStckaktien,
    title = "Rechtliche Probleme der Stückaktien",
    author = "Barbara {Treeger-Huber}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097476"
}