@book { bigdatawork,
    title = "big data @ work",
    author = "Thomas H. {Davenport} and Péter {Horváth} and Petra {Paulus}",
    year = "2014",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1219065"
}