@book { HedonikinderPreisstatistikinDeutschlandundEuropa,
    title = "Hedonik in der Preisstatistik in Deutschland und Europa",
    author = "Veronika {Scharfenberg}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/225221"
}