@book { DiemobileGeneration,
    title = "Die mobile Generation",
    subtitle = "Eine Untersuchung zum Umgang von Jugendlichen mit Mobiltelefonen",
    author = "Rainer {Schuh}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832499723",
    url = "https://m.diplom.de/document/224871"
}