@book { MarkenforschungEDASoftwareimHochfrequenzMarkt,
    title = "Markenforschung: EDA-Software im Hochfrequenz-Markt",
    author = "Carmen {Gnann}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836612708",
    url = "https://m.diplom.de/document/225760"
}