@book { EvaluationvonLehrveranstaltungen,
    title = "Evaluation von Lehrveranstaltungen",
    subtitle = "Die Wirkung von Evaluationsrückmeldung",
    author = "Michael {Balk}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1090344"
}