@book { MultimediaundethischeBildung,
    title = "Multimedia und ethische Bildung",
    subtitle = "E-Learning – Ethik – Blended-Learning",
    author = "Bernd {Mikuszeit} and Ute {Szudra}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107146"
}