@book { ASBSummerUniversity2006Assessmentofstudentsatisfactionwithathreefoldapproach,
    title = "ASB Summer University 2006: Assessment of student satisfaction with a threefold approach",
    author = "Oliver {Mühlich}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/225302"
}