@book { MehrQualittdurchInformation,
    title = "Mehr Qualität durch Information",
    author = "Martin {Völkl}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832424695",
    url = "https://m.diplom.de/document/218265"
}