@book { QuantitativeSozialforschung,
    title = "Quantitative Sozialforschung",
    subtitle = "Eine Einführung",
    author = "Lukas {Richter} and Dietmar {Paier} and Horst {Reiger}",
    year = "2021",
    publisher = "facultas",
    address = "Wien, Österreich",
    url = "https://campus-lizenzen.facultas.at/document/1023523"
}