@book { AktienperformanceinDeutschland,
    title = "Aktienperformance in Deutschland",
    subtitle = "Essays über Renditen, Anlagedauer und Kursschocks",
    author = "Jan {Ising}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101761"
}