@book { DiekapitalgedeckteAltersvorsorgeamBeispielChile,
    title = "Die kapitalgedeckte Altersvorsorge am Beispiel Chile",
    author = "Kristian {Niemietz}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836606677",
    url = "https://m.diplom.de/document/225441"
}