@book { ZurQualittfundamentalgesttzterAktienprognosen,
    title = "Zur Qualität fundamentalgestützter Aktienprognosen",
    author = "Jens {Kaliske}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836621847",
    url = "https://m.diplom.de/document/226322"
}