@book { HedonischeImmobilienbewertung,
    title = "Hedonische Immobilienbewertung",
    author = "Kersten {Stieringer}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836622172",
    url = "https://m.diplom.de/document/226335"
}