@book { DieKapitalwertmethodeunddieGrenzenihrerAnwendung,
    title = "Die Kapitalwertmethode und die Grenzen ihrer Anwendung",
    author = "Ulf {Gothe}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832442286",
    url = "https://m.diplom.de/document/219844"
}