@book { Medienwissenschaft,
    title = "Medienwissenschaft",
    author = "Reiner {Matzker} and Ursula {Dreyer}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0532-2",
    url = "https://www.peterlang.com/document/1043784"
}