@book { BewertungvonTestmarktsimulationsmodellen,
    title = "Bewertung von Testmarktsimulationsmodellen",
    author = "Tobias {Schomacher}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836603515",
    url = "https://m.diplom.de/document/225300"
}